{"title":"Components","description":"\u003c!-- META (paste these into Shopify → Search engine listing) --\u003e\n\u003ctitle\u003eElectronic Components Philippines: Resistors, Diodes, LEDs, ICs \u0026amp; Buzzers | Circuitrocks\u003c\/title\u003e\n\u003cmeta name=\"description\" content=\"Shop electronic components in the Philippines: resistor packs, capacitors, diodes, LEDs, 555 timers, buzzers and more. Perfect for Arduino, ESP32, Raspberry Pi, labs and classroom kits. Fast PH shipping from Circuitrocks.\"\u003e\n\n\u003cdiv class=\"product-copy crx-scope\"\u003e\n  \u003cstyle\u003e\n    .crx-scope{\n      font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;\n      color:#1f2937;\n      line-height:1.65;\n    }\n    .crx-scope h2{font-size:1.6rem;margin:0 0 .4rem}\n    .crx-scope h3{font-size:1.12rem;margin:.9rem 0 .45rem}\n    .crx-scope p{margin:.5rem 0}\n    .crx-scope .section{margin:1.15rem 0}\n    .crx-scope .grid{display:grid;gap:.9rem}\n    .crx-scope .cols-2{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}\n    .crx-scope .cols-3{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}\n    .crx-scope .card{\n      background:#fff;\n      border:1px solid #e5e7eb;\n      border-radius:12px;\n      padding:1rem;\n    }\n    .crx-scope a{\n      color:#15803d;\n      text-decoration:none;\n      border-bottom:1px dashed #9ae6b4;\n    }\n    .crx-scope .pill{\n      display:inline-block;\n      background:#e8f5ee;\n      color:#166534;\n      font-weight:700;\n      padding:.22rem .6rem;\n      border-radius:999px;\n      margin:.25rem 0 .75rem;\n    }\n\n    \/* Comfortable, larger table text *\/\n    .crx-scope table{\n      width:100%;\n      border-collapse:collapse;\n      font-size:1.06rem;\n      line-height:1.55;\n    }\n    .crx-scope th,.crx-scope td{\n      border:1px solid #d9dde3;\n      padding:.75rem .8rem;\n      text-align:left;\n      vertical-align:top;\n    }\n    .crx-scope th{\n      background:#f5f7f9;\n      font-weight:800;\n    }\n    @media (max-width:640px){\n      .crx-scope table{font-size:1.02rem}\n      .crx-scope th,.crx-scope td{padding:.65rem .7rem}\n    }\n    .crx-scope .muted{color:#6b7280}\n    .crx-scope .note{\n      background:#fff8e6;\n      border:1px solid #ffe1a1;\n      border-radius:10px;\n      padding:.75rem;\n      margin-top:.5rem;\n    }\n  \u003c\/style\u003e\n\n  \u003ch2\u003eElectronic Components at Circuitrocks — Your Bench Essentials\u003c\/h2\u003e\n  \u003cp\u003e\n    Fill your parts drawers with the basics. Our \u003cstrong\u003eComponents\u003c\/strong\u003e collection covers\n    \u003cstrong\u003eresistors\u003c\/strong\u003e, \u003cstrong\u003ecapacitors\u003c\/strong\u003e, \u003cstrong\u003ediodes\u003c\/strong\u003e, \u003cstrong\u003eLEDs\u003c\/strong\u003e,\n    \u003cstrong\u003etimers\/ICs\u003c\/strong\u003e, and \u003cstrong\u003ebuzzers\u003c\/strong\u003e that you’ll use in almost every Arduino,\n    ESP32\/ESP8266, or Raspberry Pi project.\n  \u003c\/p\u003e\n  \u003cp\u003e\n    These are the go-to parts for \u003cem\u003eLED current limiting, pull-ups, protection, timing,\n    and simple alarms\u003c\/em\u003e—perfect for starter kits, labs, and thesis builds.\n  \u003c\/p\u003e\n  \u003cp class=\"pill\"\u003eResistors • Capacitors • Diodes • LEDs • 555 Timers • Buzzers\u003c\/p\u003e\n\n  \u003cdiv class=\"section grid cols-3\"\u003e\n    \u003cdiv class=\"card\"\u003e\n      \u003ch3\u003eWhy buy components here\u003c\/h3\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCommon values first:\u003c\/strong\u003e 220 Ω, 1 kΩ, 10 kΩ, 100 nF, etc. so circuits “just work”.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003ePH stock:\u003c\/strong\u003e Ideal for rush school projects and deadlines.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eUsed in tutorials:\u003c\/strong\u003e Same parts you see in \u003ca href=\"https:\/\/learn.circuit.rocks\" target=\"_blank\" rel=\"noopener\"\u003elearn.circuit.rocks\u003c\/a\u003e builds.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"card\"\u003e\n      \u003ch3\u003eWhat you can build\u003c\/h3\u003e\n      \u003cul\u003e\n        \u003cli\u003eLED testers, battery testers, and basic Ohm’s law demos\u003c\/li\u003e\n        \u003cli\u003eSimple 555 blinkers and tone generators\u003c\/li\u003e\n        \u003cli\u003eSensor pull-up\/pull-down networks and protection circuits\u003c\/li\u003e\n        \u003cli\u003eAlarm buzzers for smoke, gas, motion, or distance sensors\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"card\"\u003e\n      \u003ch3\u003eRecommended add-ons\u003c\/h3\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003ca href=\"\/collections\/breadboards\"\u003eBreadboards\u003c\/a\u003e \u0026amp; \u003ca href=\"\/collections\/jumper-wires\"\u003ejumper wires\u003c\/a\u003e\n\u003c\/li\u003e\n        \u003cli\u003e\u003ca href=\"\/collections\/tools\"\u003eSoldering tools \u0026amp; multimeters\u003c\/a\u003e\u003c\/li\u003e\n        \u003cli\u003e\n\u003ca href=\"\/collections\/arduino-boards-philippines\"\u003eArduino boards\u003c\/a\u003e or \u003ca href=\"\/collections\/esp32-esp8266-module-development-board\"\u003eESP32\/ESP8266\u003c\/a\u003e\n\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"section card\"\u003e\n    \u003ch3\u003ePopular starter picks (exact SKUs)\u003c\/h3\u003e\n    \u003cp\u003eThese items are great for a basic lab or student kit. SKUs match your product cards for easy re-ordering.\u003c\/p\u003e\n    \u003ctable\u003e\n      \u003ctr\u003e\n        \u003cth\u003eProduct\u003c\/th\u003e\n        \u003cth\u003eSKU\u003c\/th\u003e\n        \u003cth\u003eTypical use\u003c\/th\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\n          \u003ca href=\"\/products\/resistors-through-hole-220-ohm-5-1-4w-pack-of-25-html-page-9\"\u003e\n            Resistor Through-Hole 220Ω 5% 1\/4W Pack of 25\n          \u003c\/a\u003e\u003cbr\u003e\n          \u003cspan class=\"muted\"\u003eSeries resistor for 5 mm LEDs, basic current limiting\u003c\/span\u003e\n        \u003c\/td\u003e\n        \u003ctd\u003e\u003cstrong\u003e2780\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003ePair with LED 5 mm indicators so Arduino\/ESP pins stay safe while still bright.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\n          \u003ca href=\"\/products\/diode-1n4001-10-pack\"\u003e\n            Diode 1N4001 10 pack\n          \u003c\/a\u003e\u003cbr\u003e\n          \u003cspan class=\"muted\"\u003eGeneral-purpose rectifier \/ flyback diode\u003c\/span\u003e\n        \u003c\/td\u003e\n        \u003ctd\u003e\u003cstrong\u003eAK169\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eProtects your circuits from reverse polarity and motor\/relay coil kickback.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\n          \u003ca href=\"\/products\/timer-delay-555-single-timer-3pcs-integrated-circuits\"\u003e\n            IC 555 Single Timer 3PCS\n          \u003c\/a\u003e\u003cbr\u003e\n          \u003cspan class=\"muted\"\u003eClassic timing \u0026amp; oscillator IC\u003c\/span\u003e\n        \u003c\/td\u003e\n        \u003ctd\u003e\u003cstrong\u003eAK063\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eBuild LED blinkers, monostable timers, simple PWM drivers, and tone generators.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\n          \u003ca href=\"\/products\/piezo-buzzer-12v-active-hp2312xw\"\u003e\n            Piezo Buzzer 3 to 24V HP2312XW\n          \u003c\/a\u003e\u003cbr\u003e\n          \u003cspan class=\"muted\"\u003eActive buzzer with wide voltage range\u003c\/span\u003e\n        \u003c\/td\u003e\n        \u003ctd\u003e\u003cstrong\u003e2730\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eUse as an alarm or status beeper in sensor projects, robots, and power fault alerts.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\n          \u003ca href=\"\/products\/circuitrocks-led-5mm-diode-light-green-blue-white-yellow-red-5pcs\"\u003e\n            LED 5mm Diode Light 5pcs\n          \u003c\/a\u003e\u003cbr\u003e\n          \u003cspan class=\"muted\"\u003e5 mm diffused LEDs in multiple colors\u003c\/span\u003e\n        \u003c\/td\u003e\n        \u003ctd\u003e\u003cstrong\u003eAJ334\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003ePower\/status indicators and simple visual feedback in almost any project.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/table\u003e\n    \u003cp class=\"note\"\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e For a simple classroom or starter kit, combine the SKUs above with a breadboard, jumpers, and one Arduino\/ESP board.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"section card\"\u003e\n    \u003ch3\u003eCore component families in this collection\u003c\/h3\u003e\n    \u003cdiv class=\"grid cols-3\"\u003e\n      \u003cdiv\u003e\n        \u003ch4\u003eResistors \u0026amp; packs\u003c\/h4\u003e\n        \u003cul\u003e\n          \u003cli\u003eCommon values for pull-ups, dividers, and LED limiting\u003c\/li\u003e\n          \u003cli\u003eGood for sensor interfacing and analog scaling\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n      \u003cdiv\u003e\n        \u003ch4\u003eCapacitors\u003c\/h4\u003e\n        \u003cul\u003e\n          \u003cli\u003eCeramic \u0026amp; electrolytic for decoupling and filtering\u003c\/li\u003e\n          \u003cli\u003eUsed in timing (with 555) and power smoothing\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n      \u003cdiv\u003e\n        \u003ch4\u003eDiodes \u0026amp; protection\u003c\/h4\u003e\n        \u003cul\u003e\n          \u003cli\u003e1N4001 rectifiers and signal diodes\u003c\/li\u003e\n          \u003cli\u003eFlyback protection for relays, motors, solenoids\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n      \u003cdiv\u003e\n        \u003ch4\u003eLEDs \u0026amp; indicators\u003c\/h4\u003e\n        \u003cul\u003e\n          \u003cli\u003e3 mm \u0026amp; 5 mm LEDs, various colors\u003c\/li\u003e\n          \u003cli\u003eGreat for debugging and user feedback\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n      \u003cdiv\u003e\n        \u003ch4\u003eTimers \u0026amp; basic ICs\u003c\/h4\u003e\n        \u003cul\u003e\n          \u003cli\u003e555 timers and simple logic\/driver ICs\u003c\/li\u003e\n          \u003cli\u003eGlue logic between modules and MCUs\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n      \u003cdiv\u003e\n        \u003ch4\u003eBuzzers \u0026amp; sound\u003c\/h4\u003e\n        \u003cul\u003e\n          \u003cli\u003eActive buzzers for alarms\u003c\/li\u003e\n          \u003cli\u003eSimple sound outputs for projects and games\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"section card faq-list\"\u003e\n    \u003ch3\u003eFAQ\u003c\/h3\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eI’m new. Which components should I buy first?\u003c\/summary\u003e\n      \u003cp\u003eStart with 220 Ω and 10 kΩ resistor packs, a set of 5 mm LEDs, a pack of 1N4001 diodes, one 555 timer IC, and an active buzzer. That combo already lets you build blinkers, buzzers, and basic protection circuits.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eAre these parts safe to use with Arduino\/ESP32\/Raspberry Pi?\u003c\/summary\u003e\n      \u003cp\u003eYes—these are low-voltage, low-power components meant for 3.3–5V logic circuits. Always double-check wiring and use current-limiting resistors for LEDs and buzzers.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eDo you have tutorials that use these SKUs?\u003c\/summary\u003e\n      \u003cp\u003eMany of these parts appear in guides on \u003ca href=\"https:\/\/learn.circuit.rocks\" target=\"_blank\" rel=\"noopener\"\u003elearn.circuit.rocks\u003c\/a\u003e and the Circuitrocks blog—perfect for class demos and student projects.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eDo you ship components nationwide?\u003c\/summary\u003e\n      \u003cp\u003eYes—fast shipping anywhere in the Philippines, with same-day processing for in-stock orders before cutoff.\u003c\/p\u003e\n    \u003c\/details\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"section\"\u003e\n    \u003cp class=\"muted\"\u003e\n      Explore related: \u003ca href=\"\/collections\/arduino-boards-philippines\"\u003eArduino Boards\u003c\/a\u003e •\n      \u003ca href=\"\/collections\/esp32-esp8266-module-development-board\"\u003eESP32\/ESP8266\u003c\/a\u003e •\n      \u003ca href=\"\/collections\/sensors\"\u003eSensors\u003c\/a\u003e •\n      \u003ca href=\"\/collections\/breadboards\"\u003eBreadboards \u0026amp; Protoboards\u003c\/a\u003e •\n      \u003ca href=\"\/collections\/tools\"\u003eTools \u0026amp; Test Equipment\u003c\/a\u003e\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","products":[{"product_id":"line-laser-emitter","title":"Laser Diode Line 5mW 650nm Red - Line Pattern Module","description":"\u003cdiv class=\"product-copy\"\u003e\n\n\u003cp\u003eYou have some frickin' sharks at your lair, and you're thinking \"it would be really great if I could attach some lasers to them\" and then you see these little laser diode modules: what great timing! These encapsulated laser diodes are Class IIIa 5mW, with a 650nm red wavelength. They can be driven from 2.8V to 5.2V so they're great for your embedded electronics project.\u003c\/p\u003e\n\u003cp\u003eThis particular laser diode has a lens attached to turn the dot into a line. We think this would be particularly good for making a 3D scanner, but there are probably many other cool uses! Simply connect power to the red and black wires and you will be lasing in no time.\u003c\/p\u003e\n\u003cp\u003eThe line beam spread is 120° - so from a distance of 5cm, the line is 15cm long. The line fades out and doesn't have a sharp cut-off.\u003c\/p\u003e\n\u003cp\u003ePlease note: this is not a laser pointer. It's a diode with an integrated driver. You still need a 3 to 5VDC power supply. These diodes are 5mW output and have a safety label marked on them.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eOptical Power: 5mW\u003c\/li\u003e\n\u003cli\u003eWavelength: 650nm (red laser)\u003c\/li\u003e\n\u003cli\u003eSize: Φ12x35mm\u003c\/li\u003e\n\u003cli\u003eCable length: about 135mm\u003c\/li\u003e\n\u003cli\u003eWorking voltage: 2.8V to 5.2V\u003c\/li\u003e\n\u003cli\u003eBeam Shape: Line\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/div\u003e\n\n\u003cstyle\u003e\n.product-copy{line-height:1.7}\n.product-copy \u003e * + *{margin-top:1rem}\n.product-copy h2{margin:1.4em 0 .6em}\n.product-copy p{margin:0 0 1em}\n.product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n.product-copy li{margin:.35em 0}\n.product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n.product-copy table th,\n.product-copy table td{border:1px solid #eee;padding:.6em .75em;text-align:left}\n.faq-list{margin:1.2rem 0 1.4rem}\n.faq{border:1px solid #e6e6e6;border-radius:12px;padding:.75rem 1rem;margin:.6rem 0;background:#fafafa}\n.faq summary{font-weight:600;cursor:pointer}\n@media (min-width:768px){ .product-copy{font-size:1.02rem} }\n\u003c\/style\u003e","brand":"Circuitrocks","offers":[{"title":"Default Title","offer_id":45761378189601,"sku":"TEL2563L","price":85.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/line-laser-emitter-hires.jpg?v=1778921460"},{"product_id":"force-sensitive-resistor-0-5","title":"DFRobot Force Sensitive Resistor 0.5\" - SEN0047","description":"\u003cdiv class=\"product-copy\"\u003e\n \u003cstyle\u003e\n .product-copy{line-height:1.7;color:#1f2937}\n .product-copy \u003e * + *{margin-top:1rem}\n .product-copy h2{margin:1.4em 0 .6em;color:#111827}\n .product-copy h3{margin:1.1em 0 .5em;color:#111827}\n .product-copy p{margin:0 0 1em}\n .product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n .product-copy li{margin:.35em 0}\n .product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n .product-copy table th,.product-copy table td{border:1px solid #e5e7eb;padding:.7em .8em;text-align:left;vertical-align:top}\n .product-copy table th{background:#f9fafb;width:32%}\n .faq-list{margin:1.2rem 0 1.4rem}\n .faq{border:1px solid #e5e7eb;border-radius:12px;padding:.85rem 1rem;margin:.6rem 0;background:#fafafa}\n .note{background:#f8fafc;border-left:4px solid #2563eb;padding:.85rem 1rem;border-radius:8px}\n \u003c\/style\u003e\n\n \u003ch2\u003eTurn Force or Level Changes into Readable Data\u003c\/h2\u003e\n\n \u003cp\u003eThe \u003cstrong\u003eForce Sensitive Resistor 0.5\"\u003c\/strong\u003e is a force density level sensor module designed for level sensing, force feedback, and measurement systems. It is a practical fit for makers, students, and engineers who want reliable sensor data in embedded builds.\u003c\/p\u003e\n\n \u003cp\u003eKey details include \u003cstrong\u003eCategory:\u003c\/strong\u003e force density level sensors.\u003c\/p\u003e\n\n \u003cdiv class=\"note\"\u003e\n\u003cstrong\u003eImportant:\u003c\/strong\u003e Load cells need a proper amplifier such as an HX711 and solid mechanical mounting. Small twists or uneven force can change the reading.\u003c\/div\u003e\n\n \u003ch3\u003eWhy you’ll love it\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eKey feature:\u003c\/strong\u003e Low power consumption - FSRs are low-power devices which makes them suitable for battery-powered applications\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMaker-friendly build:\u003c\/strong\u003e Easy to use in prototypes, classroom projects, and custom electronics\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCommon controller support:\u003c\/strong\u003e Works well with Arduino, ESP32, Raspberry Pi, and similar boards\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eProject-ready sensing:\u003c\/strong\u003e level sensing, force feedback, and measurement systems\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eCompare with similar products\u003c\/h3\u003e\n \u003ctable\u003e\n \u003ctr\u003e\n\u003cth\u003eProduct\u003c\/th\u003e\n\u003cth\u003eSensor style\u003c\/th\u003e\n\u003cth\u003eStandout\u003c\/th\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eForce Sensitive Resistor 0.5\"\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eforce density level sensor module\u003c\/td\u003e\n\u003ctd\u003eCurrent item\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/force-sensitive-resistor-fsr-square\"\u003eForce-Sensitive Resistor (FSR) Square\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eforce density level sensor module\u003c\/td\u003e\n\u003ctd\u003ecapacitive touch input, pressure sensing\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/long-flex-bend-sensor\"\u003eFlex\/Bend Long Sensor 4.5\"\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eflex sensor\u003c\/td\u003e\n\u003ctd\u003eanalog output\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/flex-bend-short-sensor\"\u003eFlex\/Bend Short Sensor\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eflex sensor\u003c\/td\u003e\n\u003ctd\u003eanalog output\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/table\u003e\n\n \u003ch3\u003eWhat you can build\u003c\/h3\u003e\n \u003cp\u003eThis sensor is a good fit for liquid level alarms, force pads, occupancy sensing, and fill-level checks.\u003c\/p\u003e\n\n \u003ch3\u003eStarter bundles\u003c\/h3\u003e\n \u003cp\u003ePair it with an \u003ca href=\"\/search?q=arduino\"\u003eArduino-compatible board\u003c\/a\u003e, \u003ca href=\"\/search?q=esp32\"\u003eESP32\u003c\/a\u003e, or \u003ca href=\"\/search?q=raspberry+pi\"\u003eRaspberry Pi\u003c\/a\u003e, plus a breadboard or jumper wires for quick setup and testing.\u003c\/p\u003e\n\n \u003ch3\u003eRecommended add-ons\u003c\/h3\u003e\n \u003cp\u003eUseful add-ons include breadboards, jumper wires, displays, enclosures, and logging modules, depending on how you plan to power, mount, and log the sensor.\u003c\/p\u003e\n\n \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n \u003ctable\u003e\n \u003ctr\u003e\n\u003cth\u003eProduct\u003c\/th\u003e\n\u003ctd\u003eForce Sensitive Resistor 0.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eCategory\u003c\/th\u003e\n\u003ctd\u003eforce density level sensors\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/table\u003e\n\n \u003ch3\u003eWiring \u0026amp; usage notes\u003c\/h3\u003e\n \u003cp\u003eCheck the pin labels on the \u003cstrong\u003eForce Sensitive Resistor 0.5\"\u003c\/strong\u003e and match them to your controller voltage, ground, and signal pins. Keep wiring short and verify the logic level before powering the module. Load cells need a proper amplifier such as an HX711 and solid mechanical mounting. Small twists or uneven force can change the reading.\u003c\/p\u003e\n\n \u003ch3\u003eWhat’s in the box\u003c\/h3\u003e\n \u003cp\u003e1 × Force Sensitive Resistor 0.5\"\u003c\/p\u003e\n\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdiv class=\"faq-list\"\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eWhat does the Force Sensitive Resistor 0.5\" measure?\u003c\/strong\u003e\n It is designed to measure force, bend, muscle activity, or weight.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eCan I use it with Arduino, ESP32, or Raspberry Pi?\u003c\/strong\u003e\n Yes. It is well suited for common maker and embedded platforms, as long as you power it at the correct voltage and match the signal level to your controller.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eDo I need extra hardware?\u003c\/strong\u003e\n Often yes. Force and weight sensors are commonly paired with an amplifier or conditioning board before they connect to a microcontroller.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eIs it good for prototyping?\u003c\/strong\u003e\n Yes. It is a practical choice for learning, proof-of-concept builds, and small automation projects.\n \u003c\/div\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e","brand":"DFRobot","offers":[{"title":"Default Title","offer_id":45812531101985,"sku":"SEN0047","price":475.0,"currency_code":"PHP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/products\/force-sensitive-resistor-0-5-168.jpg?v=1689656357"},{"product_id":"buzzer-module","title":"Buzzer Module for Arduino - Active Audible Alert 5V","description":"\u003cdiv class=\"product-copy\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eBuzzer Module for Arduino\u003c\/strong\u003e is a 5V active buzzer breakout that beeps on a HIGH signal. No tone() library needed, no frequency math — just drive the input pin HIGH and it sounds. LOW = silent. Used for alarms, button feedback, alert tones, countdown timers, and any project that needs an audible signal.\u003c\/p\u003e\n\n\u003cp\u003eActive buzzer = internal oscillator. Drive it with any digital GPIO. Compatible with Arduino, ESP32, Raspberry Pi, and similar boards on 3.3–5V logic.\u003c\/p\u003e\n\n\u003cdiv class=\"note\"\u003e\n\u003cstrong\u003eActive vs passive:\u003c\/strong\u003e this is an \u003cstrong\u003eactive buzzer\u003c\/strong\u003e. It plays one fixed tone (~2.3 kHz). For melodies or variable-pitch sound, use a \u003ca href=\"\/search?q=passive+buzzer\"\u003epassive buzzer\u003c\/a\u003e + Arduino tone() instead.\u003c\/div\u003e\n\n\u003ch3\u003eWhy you'll love it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne-pin trigger:\u003c\/strong\u003e drive HIGH = beep, LOW = silent. No PWM required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-mounted breakout:\u003c\/strong\u003e S (signal), VCC, GND pins. Plug into a breadboard and go.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5V tolerant:\u003c\/strong\u003e works on 3.3V (quieter) and 5V (loudest).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOnboard transistor switch:\u003c\/strong\u003e handles the buzzer current so the GPIO sees only signal load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoud enough for room-scale alerts:\u003c\/strong\u003e ~85 dB at 10 cm.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat you can build\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoor \/ motion alarm\u003c\/strong\u003e — PIR sensor triggers buzzer on motion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReverse-parking sensor\u003c\/strong\u003e — HC-SR04 + buzzer beeps faster as obstacle gets closer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGame-show timer\u003c\/strong\u003e — countdown beep on the last 3 seconds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eButton click feedback\u003c\/strong\u003e — short chirp on each press.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-battery \/ overheat alert\u003c\/strong\u003e — comparator or sensor crosses threshold, buzzer fires.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWiring (Arduino UNO)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVCC → 5V\u003c\/li\u003e\n\u003cli\u003eGND → GND\u003c\/li\u003e\n\u003cli\u003eS (signal) → D8 (or any digital pin)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSample code\u003c\/h3\u003e\n\u003cpre style=\"background:#1a1a1a;color:#5cb030;padding:1rem;overflow-x:auto;font-family:'JetBrains Mono','SF Mono',Menlo,Consolas,monospace;font-size:.85em;border:0;border-radius:0;line-height:1.5\"\u003e\u003ccode\u003econst int BUZZER = 8;\n\nvoid setup() {\n  pinMode(BUZZER, OUTPUT);\n}\n\nvoid loop() {\n  digitalWrite(BUZZER, HIGH);\n  delay(200);                 \/\/ beep 200 ms\n  digitalWrite(BUZZER, LOW);\n  delay(800);                 \/\/ silent 800 ms\n}\u003c\/code\u003e\u003c\/pre\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eType: Active buzzer module (fixed-tone oscillator)\u003c\/li\u003e\n\u003cli\u003eOperating voltage: 3.3V – 5V DC\u003c\/li\u003e\n\u003cli\u003eResonant frequency: ~2.3 kHz (fixed)\u003c\/li\u003e\n\u003cli\u003eSound output: ~85 dB at 10 cm\u003c\/li\u003e\n\u003cli\u003eCurrent draw: ~25 mA at 5V\u003c\/li\u003e\n\u003cli\u003eTrigger: digital HIGH = sound, LOW = silent\u003c\/li\u003e\n\u003cli\u003eOnboard parts: piezo buzzer + NPN switching transistor + base resistor + power LED\u003c\/li\u003e\n\u003cli\u003eInterface pins: S (signal), VCC, GND\u003c\/li\u003e\n\u003cli\u003eBoard size: ~33 × 16 mm\u003c\/li\u003e\n\u003cli\u003eMounting: 1 fixing hole, 3mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eArduino UNO \/ Mega \/ Nano — works directly at 5V\u003c\/li\u003e\n\u003cli\u003eESP32 \/ ESP8266 — works at 3.3V (slightly quieter)\u003c\/li\u003e\n\u003cli\u003eRaspberry Pi (GPIO) — works at 3.3V\u003c\/li\u003e\n\u003cli\u003eMicro:bit — works on output pins\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv class=\"section card faq-list\"\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdetails\u003e\n\u003csummary\u003eActive or passive buzzer?\u003c\/summary\u003e\n\u003cp\u003eActive. Has a built-in oscillator. You only switch it on\/off — no tone() needed. For melodies and variable-pitch sound, buy a passive buzzer instead.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I change the pitch?\u003c\/summary\u003e\n\u003cp\u003eNo. Active buzzers play one fixed frequency (~2.3 kHz). PWM does not change pitch on this module — only on\/off cycle. For pitch control use a passive buzzer.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWill it work on 3.3V boards like ESP32?\u003c\/summary\u003e\n\u003cp\u003eYes, but slightly quieter. The transistor switch keeps GPIO load light, so any 3.3V or 5V controller drives it safely.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow loud is it?\u003c\/summary\u003e\n\u003cp\u003eAround 85 dB at 10 cm — loud enough for room-level alarms. Distance reduces volume quickly.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhy use this module over a bare buzzer?\u003c\/summary\u003e\n\u003cp\u003eThe module includes a transistor switch and base resistor so your GPIO drives only a logic signal, not the buzzer current. Bare buzzers can stress weaker GPIO pins.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWill this ship from Manila?\u003c\/summary\u003e\n\u003cp\u003eYes — all stock ships from our Quezon City warehouse. Order before 4 PM weekdays for same-day cutoff via J\u0026amp;T or LBC.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat's your return policy?\u003c\/summary\u003e\n\u003cp\u003e7-day inspection window for DOA units. Email proof of issue and we'll ship a replacement or refund. Used \/ installed parts aren't returnable unless faulty.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eWhat's in the box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 × Buzzer Module (active, 5V, breakout PCB with S\/VCC\/GND header)\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eJumper wires and controller board sold separately\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/div\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":45812551483681,"sku":"AF170","price":55.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/products\/buzzer-module-for-arduino-227.jpg?v=1689656609"},{"product_id":"laser-emitter-dot","title":"Laser Diode Dot 5mW 650nm Red - Dot Pattern Module","description":"\u003cdiv class=\"product-copy\"\u003e\n\n\u003cp\u003eYou have some frickin' sharks at your lair, and you're thinking \"it would be really great if I could attach some lasers to them\" and then you see these little laser diode modules: what great timing! These encapsulated laser diodes are Class IIIa 5mW, with a 650nm red wavelength. They can be driven from 2.8V to 5.2V so they're great for your embedded electronics project. You can use these for laser harps, electronic 'trip wires', laser-vision guidance, and more! Simply connect power to the red and black wires and you will be lasing in no time.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eOptical Power: 5mW\u003c\/li\u003e\n\u003cli\u003eWavelength: 650nm (red laser)\u003c\/li\u003e\n\u003cli\u003eSize: Φ12x35mm\u003c\/li\u003e\n\u003cli\u003eCable length: about 135mm\u003c\/li\u003e\n\u003cli\u003eWorking voltage: 2.8V to 5.2V\u003c\/li\u003e\n\u003cli\u003eBeam Shape: Line\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/div\u003e\n\n\u003cstyle\u003e\n.product-copy{line-height:1.7}\n.product-copy \u003e * + *{margin-top:1rem}\n.product-copy h2{margin:1.4em 0 .6em}\n.product-copy p{margin:0 0 1em}\n.product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n.product-copy li{margin:.35em 0}\n.product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n.product-copy table th,\n.product-copy table td{border:1px solid #eee;padding:.6em .75em;text-align:left}\n.faq-list{margin:1.2rem 0 1.4rem}\n.faq{border:1px solid #e6e6e6;border-radius:12px;padding:.75rem 1rem;margin:.6rem 0;background:#fafafa}\n.faq summary{font-weight:600;cursor:pointer}\n@media (min-width:768px){ .product-copy{font-size:1.02rem} }\n\u003c\/style\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":45812556628257,"sku":"TEL2565L","price":115.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/laser-emitter-dot-hires.jpg?v=1778921442"},{"product_id":"laser-emiiter-cross","title":"Laser Diode Cross 5mW 650nm Red - Cross-Hair Module","description":"\u003cdiv class=\"product-copy\"\u003e\n\n\u003cp\u003eYou have some frickin' sharks at your lair, and you're thinking \"it would be really great if I could attach some lasers to them\" and then you see these little laser diode modules: what great timing! These encapsulated laser diodes are Class IIIa 5mW, with a 650nm red wavelength. They can be driven from 2.8V to 5.2V so they're great for your embedded electronics project.\u003c\/p\u003e\n\u003cp\u003eThis particular module has a lens attached that will turn the dot into a cross. This makes it particularly good for laser-vision guidance, targeting, and more! Simply connect power to the red and black wires and you will be laser-ing in no time.\u003c\/p\u003e\n\u003cp\u003eThe cross has a beam spread of approximately 60° in both directions. So from a distance of 5cm, the cross is 5cm tall and 5cm wide. The cross ends have a sharp cutoff so the shape is very clearly defined.\u003c\/p\u003e\n\u003cp\u003ePlease note: this is not a laser pointer. It's a diode with integrated driver. You still need a 3 to 5VDC power supply. These diodes are 5mW output, and have a safety label marked on them. For more information on laser safety and ratings check out the Wikipedia page\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: bold;\"\u003eQUICK SPECS:\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eWeight: 11.85g\u003c\/li\u003e\n\u003cli\u003eDiameter: 10.11mm\u003c\/li\u003e\n\u003cli\u003eLength: 135 mm\u003c\/li\u003e\n\u003cli\u003eWire length: 100mm\u003c\/li\u003e\n\u003cli\u003e650nm wavelength\u003c\/li\u003e\n\u003cli\u003e2.8 - 5.2V DC voltage input\u003c\/li\u003e\n\u003cli\u003e25mA max current draw\u003c\/li\u003e\n\u003cli\u003eOperating temperature -10°C to 40°C;\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/div\u003e\n\n\u003cstyle\u003e\n.product-copy{line-height:1.7}\n.product-copy \u003e * + *{margin-top:1rem}\n.product-copy h2{margin:1.4em 0 .6em}\n.product-copy p{margin:0 0 1em}\n.product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n.product-copy li{margin:.35em 0}\n.product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n.product-copy table th,\n.product-copy table td{border:1px solid #eee;padding:.6em .75em;text-align:left}\n.faq-list{margin:1.2rem 0 1.4rem}\n.faq{border:1px solid #e6e6e6;border-radius:12px;padding:.75rem 1rem;margin:.6rem 0;background:#fafafa}\n.faq summary{font-weight:600;cursor:pointer}\n@media (min-width:768px){ .product-copy{font-size:1.02rem} }\n\u003c\/style\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":45812556792097,"sku":"TEL2564L","price":85.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/laser-emiiter-cross-hires.jpg?v=1778921135"},{"product_id":"force-sensitive-resistor-fsr-square","title":"Adafruit Force-Sensitive Resistor FSR Square - 1075","description":"\u003cdiv class=\"product-copy\"\u003e\n \u003cstyle\u003e\n .product-copy{line-height:1.7;color:#1f2937}\n .product-copy \u003e * + *{margin-top:1rem}\n .product-copy h2{margin:1.4em 0 .6em;color:#111827}\n .product-copy h3{margin:1.1em 0 .5em;color:#111827}\n .product-copy p{margin:0 0 1em}\n .product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n .product-copy li{margin:.35em 0}\n .product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n .product-copy table th,.product-copy table td{border:1px solid #e5e7eb;padding:.7em .8em;text-align:left;vertical-align:top}\n .product-copy table th{background:#f9fafb;width:32%}\n .faq-list{margin:1.2rem 0 1.4rem}\n .faq{border:1px solid #e5e7eb;border-radius:12px;padding:.85rem 1rem;margin:.6rem 0;background:#fafafa}\n .note{background:#f8fafc;border-left:4px solid #2563eb;padding:.85rem 1rem;border-radius:8px}\n \u003c\/style\u003e\n\n \u003ch2\u003eTurn Force or Level Changes into Readable Data\u003c\/h2\u003e\n\n \u003cp\u003eThe \u003cstrong\u003eForce-Sensitive Resistor (FSR) Square\u003c\/strong\u003e is a force density level sensor module designed for level sensing, force feedback, and measurement systems. It is a practical fit for makers, students, and engineers who want reliable sensor data in embedded builds.\u003c\/p\u003e\n\n \u003cp\u003eKey details include \u003cstrong\u003eThickness:\u003c\/strong\u003e 0.42mm\/0.0165in; \u003cstrong\u003eWidth:\u003c\/strong\u003e 43.7mm\/1.72in; \u003cstrong\u003eLength:\u003c\/strong\u003e 88mm\/3.47.\u003c\/p\u003e\n\n \u003cdiv class=\"note\"\u003e\n\u003cstrong\u003eImportant:\u003c\/strong\u003e Load cells need a proper amplifier such as an HX711 and solid mechanical mounting. Small twists or uneven force can change the reading.\u003c\/div\u003e\n\n \u003ch3\u003eWhy you’ll love it\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eUseful spec:\u003c\/strong\u003e 0.42mm\/0.0165in\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSensor size:\u003c\/strong\u003e 88mm\/3.47\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMaker-friendly build:\u003c\/strong\u003e Easy to use in prototypes, classroom projects, and custom electronics\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCommon controller support:\u003c\/strong\u003e Works well with Arduino, ESP32, Raspberry Pi, and similar boards\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eProject-ready sensing:\u003c\/strong\u003e level sensing, force feedback, and measurement systems\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eCompare with similar products\u003c\/h3\u003e\n \u003ctable\u003e\n \u003ctr\u003e\n\u003cth\u003eProduct\u003c\/th\u003e\n\u003cth\u003eSensor style\u003c\/th\u003e\n\u003cth\u003eStandout\u003c\/th\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eForce-Sensitive Resistor (FSR) Square\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eforce density level sensor module\u003c\/td\u003e\n\u003ctd\u003eCurrent item\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/force-sensitive-resistor-0-5\"\u003eForce Sensitive Resistor 0.5\"\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eforce density level sensor module\u003c\/td\u003e\n\u003ctd\u003epressure sensing\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/long-flex-bend-sensor\"\u003eFlex\/Bend Long Sensor 4.5\"\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eflex sensor\u003c\/td\u003e\n\u003ctd\u003eanalog output\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/flex-bend-short-sensor\"\u003eFlex\/Bend Short Sensor\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eflex sensor\u003c\/td\u003e\n\u003ctd\u003eanalog output\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/table\u003e\n\n \u003ch3\u003eWhat you can build\u003c\/h3\u003e\n \u003cp\u003eThis sensor is a good fit for liquid level alarms, force pads, occupancy sensing, and fill-level checks.\u003c\/p\u003e\n\n \u003ch3\u003eStarter bundles\u003c\/h3\u003e\n \u003cp\u003ePair it with an \u003ca href=\"\/search?q=arduino\"\u003eArduino-compatible board\u003c\/a\u003e, \u003ca href=\"\/search?q=esp32\"\u003eESP32\u003c\/a\u003e, or \u003ca href=\"\/search?q=raspberry+pi\"\u003eRaspberry Pi\u003c\/a\u003e, plus a breadboard or jumper wires for quick setup and testing.\u003c\/p\u003e\n\n \u003ch3\u003eRecommended add-ons\u003c\/h3\u003e\n \u003cp\u003eUseful add-ons include breadboards, jumper wires, displays, enclosures, and logging modules, depending on how you plan to power, mount, and log the sensor.\u003c\/p\u003e\n\n \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n \u003ctable\u003e\n \u003ctr\u003e\n\u003cth\u003eProduct\u003c\/th\u003e\n\u003ctd\u003eForce-Sensitive Resistor (FSR) Square\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eThickness\u003c\/th\u003e\n\u003ctd\u003e0.42mm\/0.0165in\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eWidth\u003c\/th\u003e\n\u003ctd\u003e43.7mm\/1.72in\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eLength\u003c\/th\u003e\n\u003ctd\u003e88mm\/3.47\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e1.12g\/0.04oz\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eCategory\u003c\/th\u003e\n\u003ctd\u003eforce density level sensors\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/table\u003e\n\n \u003ch3\u003eWiring \u0026amp; usage notes\u003c\/h3\u003e\n \u003cp\u003eCheck the pin labels on the \u003cstrong\u003eForce-Sensitive Resistor (FSR) Square\u003c\/strong\u003e and match them to your controller voltage, ground, and signal pins. Keep wiring short and verify the logic level before powering the module. Load cells need a proper amplifier such as an HX711 and solid mechanical mounting. Small twists or uneven force can change the reading.\u003c\/p\u003e\n\n \u003ch3\u003eWhat’s in the box\u003c\/h3\u003e\n \u003cp\u003e1 × Force-Sensitive Resistor (FSR) Square\u003c\/p\u003e\n\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdiv class=\"faq-list\"\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eWhat does the Force-Sensitive Resistor (FSR) Square measure?\u003c\/strong\u003e\n It is designed to measure force, bend, muscle activity, or weight.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eCan I use it with Arduino, ESP32, or Raspberry Pi?\u003c\/strong\u003e\n Yes. It is well suited for common maker and embedded platforms, as long as you power it at the correct voltage and match the signal level to your controller.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eDo I need extra hardware?\u003c\/strong\u003e\n Often yes. Force and weight sensors are commonly paired with an amplifier or conditioning board before they connect to a microcontroller.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eIs it good for prototyping?\u003c\/strong\u003e\n Yes. It is a practical choice for learning, proof-of-concept builds, and small automation projects.\n \u003c\/div\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Adafruit","offers":[{"title":"Default Title","offer_id":45812569014561,"sku":"1075","price":597.0,"currency_code":"PHP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/products\/force-sensitive-resistor-fsr-square-296.jpg?v=1689656911"},{"product_id":"super-capacitor-100f-2-7v","title":"DFRobot Super Capacitor 100F 2.7V - FIT0134","description":"\u003cdiv class=\"product-copy\"\u003e\n \u003cstyle\u003e\n .product-copy{line-height:1.7;color:#1f2937}\n .product-copy \u003e * + *{margin-top:1rem}\n .product-copy h2{margin:1.4em 0 .6em;color:#111827}\n .product-copy h3{margin:1.1em 0 .5em;color:#111827}\n .product-copy p{margin:0 0 1em}\n .product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n .product-copy li{margin:.35em 0}\n .product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n .product-copy table th,.product-copy table td{border:1px solid #e5e7eb;padding:.7em .8em;text-align:left;vertical-align:top}\n .product-copy table th{background:#f9fafb;width:32%}\n .faq-list{margin:1.2rem 0 1.4rem}\n .faq{border:1px solid #e5e7eb;border-radius:12px;padding:.85rem 1rem;margin:.6rem 0;background:#fafafa}\n .note{background:#f8fafc;border-left:4px solid #2563eb;padding:.85rem 1rem;border-radius:8px}\n \u003c\/style\u003e\n\n \u003ch2\u003eSupercapacitor 100F 2.7V — Massive Energy Storage\u003c\/h2\u003e\n\n \u003cp\u003e\n The \u003cstrong\u003e100F 2.7V Supercapacitor\u003c\/strong\u003e stores an enormous amount of energy compared to regular capacitors — enough\n to power a microcontroller for minutes or even hours after main power is removed. Supercapacitors (also called\n \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Supercapacitor\" target=\"_blank\" rel=\"noopener\"\u003eultracapacitors\u003c\/a\u003e) bridge the gap\n between batteries and capacitors: they charge in seconds, last millions of cycles, and discharge slowly.\n \u003c\/p\u003e\n\n \u003ch3\u003eSupercapacitor vs Battery vs Regular Capacitor\u003c\/h3\u003e\n \u003ctable\u003e\n \u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eRegular capacitor\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSupercapacitor (this)\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003eBattery\u003c\/th\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eCapacitance\u003c\/td\u003e\n\u003ctd\u003epF – mF\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1F – 100F+\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eN\/A (mAh rating)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eCharge time\u003c\/td\u003e\n\u003ctd\u003eMicroseconds\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSeconds to minutes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHours\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eCycle life\u003c\/td\u003e\n\u003ctd\u003eUnlimited\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e500,000 – 1,000,000+\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e300–500 (LiPo)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eEnergy density\u003c\/td\u003e\n\u003ctd\u003eVery low\u003c\/td\u003e\n\u003ctd\u003eLow–medium\u003c\/td\u003e\n\u003ctd\u003eHigh\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eSelf-discharge\u003c\/td\u003e\n\u003ctd\u003eVery low\u003c\/td\u003e\n\u003ctd\u003eHigher than batteries\u003c\/td\u003e\n\u003ctd\u003eLow\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/table\u003e\n\n \u003ch3\u003eWhat you can build\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eBackup power:\u003c\/strong\u003e Keep an RTC or MCU alive during brief power outages\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eQuick-charge devices:\u003c\/strong\u003e Charge in seconds, run for minutes\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eEnergy harvesting buffer:\u003c\/strong\u003e Store solar or vibration energy for intermittent use\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMotor start assist:\u003c\/strong\u003e Provide burst current for motor startup\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n \u003ctable\u003e\n \u003ctr\u003e\n\u003cth\u003eCapacitance\u003c\/th\u003e\n\u003ctd\u003e100F\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003ctd\u003e2.7V (max)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eEDLC (Electric Double-Layer Capacitor)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eCycle life\u003c\/th\u003e\n\u003ctd\u003e500,000+ charge\/discharge cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/table\u003e\n\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdiv class=\"faq-list\"\u003e\n \u003cdiv class=\"faq\"\u003e\n\u003cstrong\u003eCan I replace a battery with a supercapacitor?\u003c\/strong\u003e For short-duration backup (seconds to minutes), yes. For long-term storage, no — supercapacitors self-discharge faster than batteries.\u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n\u003cstrong\u003eCan I exceed 2.7V?\u003c\/strong\u003e No. Exceeding the rated voltage will damage or destroy the supercapacitor. For higher voltages, wire two in series (which halves capacitance).\u003c\/div\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e","brand":"DFRobot","offers":[{"title":"Default Title","offer_id":45812597653793,"sku":"FIT0134","price":655.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/super-capacitor-100f-2-7v-1_6a1aec00-f683-4a6e-984e-2f5138fd81ed.jpg?v=1781005355"},{"product_id":"super-capacitor-4-7f-2-7v","title":"DFRobot Super Capacitor 4.7F 2.7V - FIT0133","description":"\u003cdiv class=\"product-copy\"\u003e\n \u003cstyle\u003e\n .product-copy{line-height:1.7;color:#1f2937}\n .product-copy \u003e * + *{margin-top:1rem}\n .product-copy h2{margin:1.4em 0 .6em;color:#111827}\n .product-copy h3{margin:1.1em 0 .5em;color:#111827}\n .product-copy p{margin:0 0 1em}\n .product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n .product-copy li{margin:.35em 0}\n .product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n .product-copy table th,.product-copy table td{border:1px solid #e5e7eb;padding:.7em .8em;text-align:left;vertical-align:top}\n .product-copy table th{background:#f9fafb;width:32%}\n .faq-list{margin:1.2rem 0 1.4rem}\n .faq{border:1px solid #e5e7eb;border-radius:12px;padding:.85rem 1rem;margin:.6rem 0;background:#fafafa}\n .note{background:#f8fafc;border-left:4px solid #2563eb;padding:.85rem 1rem;border-radius:8px}\n \u003c\/style\u003e\n\n \u003ch2\u003eSupercapacitor 4.7F 2.7V — Compact Energy Storage\u003c\/h2\u003e\n\n \u003cp\u003e\n The \u003cstrong\u003e4.7F 2.7V Supercapacitor\u003c\/strong\u003e is a compact ultracapacitor that stores enough energy for brief\n backup power, RTC keep-alive, and small energy harvesting buffers. Smaller than the \u003ca href=\"\/search?q=super+capacitor+100F\"\u003e100F version\u003c\/a\u003e\n but still far more energy storage than any standard electrolytic capacitor.\n \u003c\/p\u003e\n\n \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n \u003ctable\u003e\n \u003ctr\u003e\n\u003cth\u003eCapacitance\u003c\/th\u003e\n\u003ctd\u003e4.7F\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003ctd\u003e2.7V (max)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eEDLC (Electric Double-Layer Capacitor)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eCycle life\u003c\/th\u003e\n\u003ctd\u003e500,000+ charge\/discharge cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/table\u003e\n\u003c\/div\u003e","brand":"DFRobot","offers":[{"title":"Default Title","offer_id":45812598276385,"sku":"FIT0133","price":175.0,"currency_code":"PHP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/super-capacitor-4-7f-2-7v-1_b76b9031-db22-484c-813b-0b21d5afc5a1.jpg?v=1781005365"},{"product_id":"photocell-mini","title":"DFRobot Mini Photo-Resistor \/ Photocell - FIT0180","description":"\u003cdiv class=\"product-copy\"\u003e\n \u003cstyle\u003e\n .product-copy{line-height:1.7;color:#1f2937}\n .product-copy \u003e * + *{margin-top:1rem}\n .product-copy h2{margin:1.4em 0 .6em;color:#111827}\n .product-copy h3{margin:1.1em 0 .5em;color:#111827}\n .product-copy p{margin:0 0 1em}\n .product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n .product-copy li{margin:.35em 0}\n .product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n .product-copy table th,.product-copy table td{border:1px solid #e5e7eb;padding:.7em .8em;text-align:left;vertical-align:top}\n .product-copy table th{background:#f9fafb;width:32%}\n .faq-list{margin:1.2rem 0 1.4rem}\n .faq{border:1px solid #e5e7eb;border-radius:12px;padding:.85rem 1rem;margin:.6rem 0;background:#fafafa}\n .note{background:#f8fafc;border-left:4px solid #2563eb;padding:.85rem 1rem;border-radius:8px}\n \u003c\/style\u003e\n\n \u003ch2\u003eMeasure Light and Optical Changes with a Compact Sensor\u003c\/h2\u003e\n\n \u003cp\u003eThe \u003cstrong\u003ePhotocell mini photo-resistor\u003c\/strong\u003e is a ph sensor designed for light logging, optical switching, line tracking, and brightness-aware projects. It is a practical fit for makers, students, and engineers who want reliable sensor data in embedded builds.\u003c\/p\u003e\n\n \u003cp\u003eKey details include \u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 5mm(0.2\").\u003c\/p\u003e\n\n \u003cdiv class=\"note\"\u003e\n\u003cstrong\u003eImportant:\u003c\/strong\u003e Water-quality sensors usually need calibration solutions and regular probe care. Probe condition and temperature can affect the reading.\u003c\/div\u003e\n\n \u003ch3\u003eWhy you’ll love it\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eSensor size:\u003c\/strong\u003e 5mm(0.2\")\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUseful spec:\u003c\/strong\u003e 70mW \u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMaker-friendly build:\u003c\/strong\u003e Easy to use in prototypes, classroom projects, and custom electronics\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCommon controller support:\u003c\/strong\u003e Works well with Arduino, ESP32, Raspberry Pi, and similar boards\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eProject-ready sensing:\u003c\/strong\u003e light logging, optical switching, line tracking, and brightness-aware projects\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eCompare with similar products\u003c\/h3\u003e\n \u003ctable\u003e\n \u003ctr\u003e\n\u003cth\u003eProduct\u003c\/th\u003e\n\u003cth\u003eSensor style\u003c\/th\u003e\n\u003cth\u003eStandout\u003c\/th\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePhotocell mini photo-resistor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003epH sensor\u003c\/td\u003e\n\u003ctd\u003eCurrent item\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/phototransistor-pt334-6c-5mm-5pcs-2\"\u003ePhototransistor PT334 6C 5MM 5PCS\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003epH sensor with digital output\u003c\/td\u003e\n\u003ctd\u003edigital output, infrared sensing\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/qtr-1a-reflectance-sensor-2-pack\"\u003eQTR-1A Reflectance Sensor 2-Pack\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eoptical interrupter sensor with analog output\u003c\/td\u003e\n\u003ctd\u003eanalog output, infrared sensing\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/digital-push-button\"\u003eDigital Push Button\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003ebutton or switch input module with digital output\u003c\/td\u003e\n\u003ctd\u003edigital output\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/table\u003e\n\n \u003ch3\u003eWhat you can build\u003c\/h3\u003e\n \u003cp\u003eThis sensor is a good fit for automatic brightness control, line followers, light meters, UV monitors, flame detection, and optical encoders.\u003c\/p\u003e\n\n \u003ch3\u003eStarter bundles\u003c\/h3\u003e\n \u003cp\u003ePair it with an \u003ca href=\"\/search?q=arduino\"\u003eArduino-compatible board\u003c\/a\u003e, \u003ca href=\"\/search?q=esp32\"\u003eESP32\u003c\/a\u003e, or \u003ca href=\"\/search?q=raspberry+pi\"\u003eRaspberry Pi\u003c\/a\u003e, plus a breadboard or jumper wires for quick setup and testing.\u003c\/p\u003e\n\n \u003ch3\u003eRecommended add-ons\u003c\/h3\u003e\n \u003cp\u003eUseful add-ons include breadboards, jumper wires, displays, enclosures, and logging modules, depending on how you plan to power, mount, and log the sensor.\u003c\/p\u003e\n\n \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n \u003ctable\u003e\n \u003ctr\u003e\n\u003cth\u003eProduct\u003c\/th\u003e\n\u003ctd\u003ePhotocell mini photo-resistor\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eElectricity-saving gadgets\u003c\/th\u003e\n\u003ctd\u003eWhen there is enough natural light, they may be utilised to turn off lights or other gadgets, conserving electricity.\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003ctd\u003e 5V \u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eHead Diameter\u003c\/th\u003e\n\u003ctd\u003e 5mm(0.2\")\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eSecurity systems\u003c\/th\u003e\n\u003ctd\u003eBy sensing changes in light patterns, they may be employed in burglar alarms or motion detectors to identify the presence of an intruder.\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003ePower Consumption\u003c\/th\u003e\n\u003ctd\u003e 70mW \u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eStorage Temperature\u003c\/th\u003e\n\u003ctd\u003e -40~+100°C\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eOperating Temperature\u003c\/th\u003e\n\u003ctd\u003e -25~+85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eSoldering Temperature\u003c\/th\u003e\n\u003ctd\u003e 260(\u0026lt;3s)°C\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/table\u003e\n\n \u003ch3\u003eWiring \u0026amp; usage notes\u003c\/h3\u003e\n \u003cp\u003eCheck the pin labels on the \u003cstrong\u003ePhotocell mini photo-resistor\u003c\/strong\u003e and match them to your controller voltage, ground, and signal pins. Keep wiring short and verify the logic level before powering the module. Water-quality sensors usually need calibration solutions and regular probe care. Probe condition and temperature can affect the reading.\u003c\/p\u003e\n\n \u003ch3\u003eWhat’s in the box\u003c\/h3\u003e\n \u003cp\u003e1 × Photocell mini photo-resistor\u003c\/p\u003e\n\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdiv class=\"faq-list\"\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eWhat does the Photocell mini photo-resistor measure?\u003c\/strong\u003e\n It is designed to measure light, color, or optical changes.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eCan I use it with Arduino, ESP32, or Raspberry Pi?\u003c\/strong\u003e\n Yes. It is well suited for common maker and embedded platforms, as long as you power it at the correct voltage and match the signal level to your controller.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eDoes it need calibration?\u003c\/strong\u003e\n Yes. Chemical and gas sensors usually need warm-up time, calibration, and periodic checking if you want stable readings.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eIs it good for prototyping?\u003c\/strong\u003e\n Yes. It is a practical choice for learning, proof-of-concept builds, and small automation projects.\n \u003c\/div\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e","brand":"DFRobot","offers":[{"title":"Default Title","offer_id":45812610269473,"sku":"FIT0180","price":126.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/products\/photocell-mini-photo-resistor-459.jpg?v=1689657639"},{"product_id":"photosensitive-diode-sensor-module","title":"Photosensitive Diode Sensor Module - Light Detection","description":"\u003cdiv class=\"product-copy\"\u003e\n \u003cstyle\u003e\n .product-copy{line-height:1.7;color:#1f2937}\n .product-copy \u003e * + *{margin-top:1rem}\n .product-copy h2{margin:1.4em 0 .6em;color:#111827}\n .product-copy h3{margin:1.1em 0 .5em;color:#111827}\n .product-copy p{margin:0 0 1em}\n .product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n .product-copy li{margin:.35em 0}\n .product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n .product-copy table th,.product-copy table td{border:1px solid #e5e7eb;padding:.7em .8em;text-align:left;vertical-align:top}\n .product-copy table th{background:#f9fafb;width:32%}\n .faq-list{margin:1.2rem 0 1.4rem}\n .faq{border:1px solid #e5e7eb;border-radius:12px;padding:.85rem 1rem;margin:.6rem 0;background:#fafafa}\n .note{background:#f8fafc;border-left:4px solid #2563eb;padding:.85rem 1rem;border-radius:8px}\n \u003c\/style\u003e\n\n \u003ch2\u003eMeasure Light and Optical Changes with a Compact Sensor\u003c\/h2\u003e\n\n \u003cp\u003eThe \u003cstrong\u003ePhotosensitive Diode Sensor Module\u003c\/strong\u003e is a ph sensor designed for light logging, optical switching, line tracking, and brightness-aware projects. It is a practical fit for makers, students, and engineers who want reliable sensor data in embedded builds.\u003c\/p\u003e\n\n \u003cp\u003eKey details include \u003cstrong\u003eWorking voltage:\u003c\/strong\u003e 3.3V-5V; \u003cstrong\u003eInterface:\u003c\/strong\u003e Analog and digital.\u003c\/p\u003e\n\n \u003cdiv class=\"note\"\u003e\n\u003cstrong\u003eImportant:\u003c\/strong\u003e Water-quality sensors usually need calibration solutions and regular probe care. Probe condition and temperature can affect the reading.\u003c\/div\u003e\n\n \u003ch3\u003eWhy you’ll love it\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eKey feature:\u003c\/strong\u003e Digital value and analog quantity double output\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eAdjustable sensitivity :\u003c\/strong\u003e Adjustable sensitivity \u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePower range:\u003c\/strong\u003e 3.3V-5V\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eEasy wiring:\u003c\/strong\u003e Analog and digital\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMaker-friendly build:\u003c\/strong\u003e Easy to use in prototypes, classroom projects, and custom electronics\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCommon controller support:\u003c\/strong\u003e Works well with Arduino, ESP32, Raspberry Pi, and similar boards\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eCompare with similar products\u003c\/h3\u003e\n \u003ctable\u003e\n \u003ctr\u003e\n\u003cth\u003eProduct\u003c\/th\u003e\n\u003cth\u003eSensor style\u003c\/th\u003e\n\u003cth\u003eStandout\u003c\/th\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePhotosensitive Diode Sensor Module\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003epH sensor\u003c\/td\u003e\n\u003ctd\u003eCurrent item\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/line-finder-v1-1-grove\"\u003eLine Tracking Sensor Module Grove\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eline tracking sensor with digital output\u003c\/td\u003e\n\u003ctd\u003edigital output, infrared sensing\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/digital-light-sensor-bh1750fvi\"\u003eLight Sensor Digital BH1750FVI\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003elight sensor with I2C\u003c\/td\u003e\n\u003ctd\u003eI2C interface, digital output\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/color-recognition-sensor-tcs3200-module-for-arduino-2\"\u003eColor Recognition Sensor TCS3200 Module for Arduino\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003elight sensor\u003c\/td\u003e\n\u003ctd\u003emodel TCS3200\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/table\u003e\n\n \u003ch3\u003eWhat you can build\u003c\/h3\u003e\n \u003cp\u003eThis sensor is a good fit for automatic brightness control, line followers, light meters, UV monitors, flame detection, and optical encoders.\u003c\/p\u003e\n\n \u003ch3\u003eStarter bundles\u003c\/h3\u003e\n \u003cp\u003ePair it with an \u003ca href=\"\/search?q=arduino\"\u003eArduino-compatible board\u003c\/a\u003e, \u003ca href=\"\/search?q=esp32\"\u003eESP32\u003c\/a\u003e, or \u003ca href=\"\/search?q=raspberry+pi\"\u003eRaspberry Pi\u003c\/a\u003e, plus a breadboard and jumper wires for quick setup and testing.\u003c\/p\u003e\n\n \u003ch3\u003eRecommended add-ons\u003c\/h3\u003e\n \u003cp\u003eUseful add-ons include breadboards, jumper wires, displays, enclosures, and logging modules, depending on how you plan to power, mount, and log the sensor.\u003c\/p\u003e\n\n \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n \u003ctable\u003e\n \u003ctr\u003e\n\u003cth\u003eProduct\u003c\/th\u003e\n\u003ctd\u003ePhotosensitive Diode Sensor Module\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eRobotics and automation\u003c\/th\u003e\n\u003ctd\u003eIn robotics and automation, photosensitive diode sensor modules are used to track the location and motion of objects by detecting changes in light intensity.\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eMedical equipment\u003c\/th\u003e\n\u003ctd\u003ePulse oximetry, phototherapy, and blood oxygen level monitoring are only a few applications for photosensitive diode sensor modules in medical equipment.\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eWorking voltage\u003c\/th\u003e\n\u003ctd\u003e3.3V-5V\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eSecurity systems\u003c\/th\u003e\n\u003ctd\u003eBy detecting changes in light patterns, these modules are employed in security systems to detect unauthorized access or movement.\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eIndustrial automation\u003c\/th\u003e\n\u003ctd\u003eThey may be utilized for activities like part detection, product counting, and quality control in industrial automation.\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eMeasurement of ambient light intensity\u003c\/th\u003e\n\u003ctd\u003eThese modules are employed in applications such as automatic display brightness management, light meters, and environmental monitoring systems.\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eInterface\u003c\/th\u003e\n\u003ctd\u003eAnalog and digital\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/table\u003e\n\n \u003ch3\u003eWiring \u0026amp; usage notes\u003c\/h3\u003e\n \u003cp\u003eMany modules in this style expose both \u003cstrong\u003eanalog\u003c\/strong\u003e and \u003cstrong\u003edigital\u003c\/strong\u003e pins. Use the analog pin for raw readings and the digital pin for threshold-based switching, if available. Water-quality sensors usually need calibration solutions and regular probe care. Probe condition and temperature can affect the reading.\u003c\/p\u003e\n\n \u003ch3\u003eWhat’s in the box\u003c\/h3\u003e\n \u003cp\u003e1 × Photosensitive Diode Sensor Module\u003c\/p\u003e\n\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdiv class=\"faq-list\"\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eWhat does the Photosensitive Diode Sensor Module measure?\u003c\/strong\u003e\n It is designed to measure light, color, or optical changes.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eCan I use it with Arduino, ESP32, or Raspberry Pi?\u003c\/strong\u003e\n Yes. It is well suited for common maker and embedded platforms, as long as you power it at the correct voltage and match the signal level to your controller.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eHow do I connect this Analog and digital sensor?\u003c\/strong\u003e\n This module may provide both analog and digital outputs, depending on how you wire and read it.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eDoes it need calibration?\u003c\/strong\u003e\n Yes. Chemical and gas sensors usually need warm-up time, calibration, and periodic checking if you want stable readings.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eIs it good for prototyping?\u003c\/strong\u003e\n Yes. It is a practical choice for learning, proof-of-concept builds, and small automation projects.\n \u003c\/div\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":45812623835425,"sku":"SEN56132P","price":95.0,"currency_code":"PHP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/photosensitive-diode-sensor-module-white.jpg?v=1778911968"},{"product_id":"buzzer-crowtail","title":"Crowtail Buzzer - Plug-and-Play Sound Output Module","description":"\u003cdiv class=\"product-copy\"\u003e\n \u003cstyle\u003e\n .product-copy{line-height:1.7;color:#1f2937}\n .product-copy \u003e * + *{margin-top:1rem}\n .product-copy h2{margin:1.4em 0 .6em;color:#111827}\n .product-copy h3{margin:1.1em 0 .5em;color:#111827}\n .product-copy p{margin:0 0 1em}\n .product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n .product-copy li{margin:.35em 0}\n .product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n .product-copy table th,.product-copy table td{border:1px solid #e5e7eb;padding:.7em .8em;text-align:left;vertical-align:top}\n .product-copy table th{background:#f9fafb;width:32%}\n .faq-list{margin:1.2rem 0 1.4rem}\n .faq{border:1px solid #e5e7eb;border-radius:12px;padding:.85rem 1rem;margin:.6rem 0;background:#fafafa}\n .note{background:#f8fafc;border-left:4px solid #2563eb;padding:.85rem 1rem;border-radius:8px}\n \u003c\/style\u003e\n\n \u003ch2\u003eCrowtail Buzzer Module — Grove-Compatible Active Buzzer\u003c\/h2\u003e\n \u003cp\u003eThe \u003cstrong\u003eCrowtail Buzzer\u003c\/strong\u003e is a plug-and-play active buzzer in the Crowtail (Grove-compatible) form factor. Just connect to a digital pin on your Crowtail base shield and send a HIGH signal to beep. No soldering, no breadboarding — perfect for classroom projects and rapid prototyping.\u003c\/p\u003e\n \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n \u003ctable\u003e\n \u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eActive buzzer (Crowtail\/Grove connector)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eInterface\u003c\/th\u003e\n\u003ctd\u003eDigital\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003ctd\u003e3.3–5V\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eConnector\u003c\/th\u003e\n\u003ctd\u003e4-pin Crowtail (Grove-compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/table\u003e\n\u003c\/div\u003e","brand":"Elecrow","offers":[{"title":"Default Title","offer_id":45812680130849,"sku":"CT0003BU","price":19.0,"currency_code":"PHP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/buzzer-crowtail-white.jpg?v=1778911608"},{"product_id":"laser-diode-5mw-650nm-red","title":"Laser Diode 5mW 650nm Red - Bare Component","description":"\u003cdiv class=\"product-copy\"\u003e\n\n\u003cp\u003eYou have some frickin' sharks at your lair, and you're thinking \"it would be really great if I could attach some lasers to them\" and then you see these little laser diode modules: what great timing! These encapsulated laser diodes are Class IIIa 5mW, with a 650nm red wavelength. They can be driven from 2.8V to 5.2V so they're great for your embedded electronics project. You can use these for laser harps, electronic 'trip wires', laser-vision guidance, and more! Simply connect power to the red and black wires and you will be lasing in no time.\u003c\/p\u003e\n\u003cp\u003ePlease note: this is not a laser pointer. It's a diode with integrated driver. You still need a 3 to 5VDC power supply. These diodes are 5mW output, and have a safety label marked on them. For more information on laser safety and ratings check out the Wikipedia page\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: bold;\"\u003eTECHNICAL DETAILS\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eWeight: 6.3g\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDiameter: 10mm \/ 0.4\"\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eLength: 31mm \/ 1.2\"\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eWire length: at least 100mm \/ 3.9\"\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e650nm wavelength\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e2.8 - 5.2V DC voltage input\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e25mA max current draw\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eOperating temperature -10°C to 40°C;\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/div\u003e\n\n\u003cstyle\u003e\n.product-copy{line-height:1.7}\n.product-copy \u003e * + *{margin-top:1rem}\n.product-copy h2{margin:1.4em 0 .6em}\n.product-copy p{margin:0 0 1em}\n.product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n.product-copy li{margin:.35em 0}\n.product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n.product-copy table th,\n.product-copy table td{border:1px solid #eee;padding:.6em .75em;text-align:left}\n.faq-list{margin:1.2rem 0 1.4rem}\n.faq{border:1px solid #e6e6e6;border-radius:12px;padding:.75rem 1rem;margin:.6rem 0;background:#fafafa}\n.faq summary{font-weight:600;cursor:pointer}\n@media (min-width:768px){ .product-copy{font-size:1.02rem} }\n\u003c\/style\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":45812682424609,"sku":"1054","price":567.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/laser-diode-5mw-650nm-red-white.jpg?v=1778911802"},{"product_id":"dual-h-bridge-motor-driver-for-dc-or-steppers-600ma-l293d","title":"L293D Dual H-Bridge Motor Driver 600mA - DC\/Stepper","description":"\u003cdiv class=\"product-copy\"\u003e\n \u003cstyle\u003e\n .product-copy{line-height:1.7;color:#1f2937}\n .product-copy \u003e * + *{margin-top:1rem}\n .product-copy h2{margin:1.4em 0 .6em;color:#111827}\n .product-copy h3{margin:1.1em 0 .5em;color:#111827}\n .product-copy p{margin:0 0 1em}\n .product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n .product-copy li{margin:.35em 0}\n .product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n .product-copy table th,.product-copy table td{border:1px solid #e5e7eb;padding:.7em .8em;text-align:left;vertical-align:top}\n .product-copy table th{background:#f9fafb;width:32%}\n .faq-list{margin:1.2rem 0 1.4rem}\n .faq{border:1px solid #e5e7eb;border-radius:12px;padding:.85rem 1rem;margin:.6rem 0;background:#fafafa}\n .note{background:#f8fafc;border-left:4px solid #2563eb;padding:.85rem 1rem;border-radius:8px}\n \u003c\/style\u003e\n\n \u003ch2\u003eStronger DC Motor Control for Robot Cars and Motion Projects\u003c\/h2\u003e\n\n \u003cp\u003e\n The \u003cstrong\u003eDual H-Bridge Motor Driver for DC or Steppers 600mA L293D\u003c\/strong\u003e is a practical \u003cstrong\u003emotor driver\u003c\/strong\u003e from \u003cstrong\u003eCircuitrocks\u003c\/strong\u003e for students, makers, and repair-friendly builds. It fits well in projects that need DC motor speed and direction control, while keeping setup straightforward for testing and prototype work.\n \u003c\/p\u003e\n\n \u003cp\u003e\n Compared with generic parts, this product stands out through details such as \u003cstrong\u003e600mA\u003c\/strong\u003e. That makes it a solid choice for Arduino, ESP32, Raspberry Pi, robotics, motion-control, and workshop projects where matching the right part from the start saves time.\n \u003c\/p\u003e\n\n \u003cdiv class=\"note\"\u003e\n \u003cstrong\u003eImportant:\u003c\/strong\u003e Always match the electrical rating, size, and control method of this part with the rest of your setup before full-power testing.\n \u003c\/div\u003e\n\n \u003ch3\u003eWhy you'll love it\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003e600mA:\u003c\/strong\u003e gives you a quick spec reference before choosing the right part\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDirection and speed control:\u003c\/strong\u003e adds useful value when choosing parts for a build\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFits robot and motor projects:\u003c\/strong\u003e adds useful value when choosing parts for a build\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUseful with external motor power:\u003c\/strong\u003e adds useful value when choosing parts for a build\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eGood for two-wheel or dual-motor setups:\u003c\/strong\u003e adds useful value when choosing parts for a build\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhat you can build\u003c\/h3\u003e\n \u003cp\u003e\n This product is a good fit for robot cars, conveyors, wheel drives, pumps, and other DC motor projects that need speed and direction control. It works especially well in student projects, quick repairs, and prototype builds where part availability, straightforward hookup, and predictable results matter.\n \u003c\/p\u003e\n\n \u003ch3\u003eStarter bundles\u003c\/h3\u003e\n \u003cp\u003e\n A practical starter bundle includes a controller board, a matching DC motor, a suitable external motor supply, and a battery or bench power source.\n \u003c\/p\u003e\n\n \u003ch3\u003eRecommended add-ons\u003c\/h3\u003e\n \u003cp\u003e\n Useful add-ons include matching DC motors, wheels, chassis kits, and external power supplies sized for your load. You can also compare it with \u003ca href=\"https:\/\/circuit.rocks\/products\/dual-h-bridge-motor-driver-drv8833\"\u003eDual H-Bridge Motor Driver DRV8833\u003c\/a\u003e, \u003ca href=\"https:\/\/circuit.rocks\/products\/motor-dualh-bridge-l298-driver\"\u003eMotor Dual H-Bridge L298 Driver\u003c\/a\u003e.\n \u003c\/p\u003e\n\n \u003ch3\u003eComparison table\u003c\/h3\u003e\n \u003ctable\u003e\n \u003ctr\u003e\n\u003cth\u003eCompared Product\u003c\/th\u003e\n\u003cth\u003eBest For\u003c\/th\u003e\n\u003cth\u003eKey Difference\u003c\/th\u003e\n\u003cth\u003eDirect Link\u003c\/th\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/circuit.rocks\/products\/dual-h-bridge-motor-driver-drv8833\"\u003eDual H-Bridge Motor Driver DRV8833\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eDC motor speed and direction control\u003c\/td\u003e\n\u003ctd\u003eDual Bridge Motor Driver\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/circuit.rocks\/products\/dual-h-bridge-motor-driver-drv8833\"\u003eView product\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/circuit.rocks\/products\/motor-dualh-bridge-l298-driver\"\u003eMotor Dual H-Bridge L298 Driver\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eDC motor speed and direction control\u003c\/td\u003e\n\u003ctd\u003eMotor Dual Bridge L298\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/circuit.rocks\/products\/motor-dualh-bridge-l298-driver\"\u003eView product\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/circuit.rocks\/products\/tb6612fng-dual-motor-driver-carrier\"\u003ePololu TB6612FNG Dual Motor Driver Carrier - Compact H-Bridge\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eDC motor speed and direction control\u003c\/td\u003e\n\u003ctd\u003ePololu TB6612FNG Dual Motor\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/circuit.rocks\/products\/tb6612fng-dual-motor-driver-carrier\"\u003eView product\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/table\u003e\n\n \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n \u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eProduct\u003c\/th\u003e\n \u003ctd\u003eDual H-Bridge Motor Driver for DC or Steppers 600mA L293D\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003ctd\u003eCircuitrocks\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eProduct Type\u003c\/th\u003e\n \u003ctd\u003eMotor Driver\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003ePrimary SKU\u003c\/th\u003e\n \u003ctd\u003eAK005\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eKey Specs\u003c\/th\u003e\n \u003ctd\u003e600mA, 36V, 1.2A, 10.8V, 3.2A, 13.5V\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eProduct URL\u003c\/th\u003e\n \u003ctd\u003ehttps:\/\/circuit.rocks\/products\/dual-h-bridge-motor-driver-for-dc-or-steppers-600ma-l293d\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/table\u003e\n\n \u003ch3\u003ePinout \u0026amp; power notes\u003c\/h3\u003e\n \u003cp\u003e\n Keep the controller ground and motor-driver ground common, then match the motor supply to the driver and motor rating. Use PWM-capable pins if you want speed control.\n \u003c\/p\u003e\n\n \u003ch3\u003eWhat’s in the box\u003c\/h3\u003e\n \u003cp\u003e\n 1 × Dual H-Bridge Motor Driver for DC or Steppers 600mA L293D\n \u003c\/p\u003e\n\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdiv class=\"faq-list\"\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eCan this work with Arduino or similar boards?\u003c\/strong\u003e\n Yes, as long as the voltage, control method, and wiring match your controller and power supply.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eShould I power it directly from a controller pin?\u003c\/strong\u003e\n For small signal-only modules that may be fine, but motors, pumps, solenoids, and relays should use a proper driver or external supply.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eIs this good for student and prototype builds?\u003c\/strong\u003e\n Yes. It fits well in testing, learning, and proof-of-concept projects when matched with the right support parts.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eHow do I choose the right version?\u003c\/strong\u003e\n Check the size, voltage, torque, speed, current, and fit details that matter most for your project.\n \u003c\/div\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":45812699627809,"sku":"AK005","price":45.0,"currency_code":"PHP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/products\/dual-h-bridge-motor-driver-for-dc-or-steppers-600ma-l293d-782.jpg?v=1689659036"},{"product_id":"16-mhz-crystal-20pf-capacitors","title":"16 MHz Crystal + 20pF Capacitors - Arduino MCU Clock","description":"\u003cdiv class=\"product-copy\"\u003e\n\n\u003cp\u003eKeep your microcontroller tickin' with a a fancy timing crystal. This 16.000 MHz model comes in a HC49\/US 'short style' standard package and is breadboard friendly and easy to use with any microcontroller or device that requires an external crystal. We even include two 20pF capacitors!\u003c\/p\u003e\n\u003cp\u003eThe crystal has 30PPM tolerance, 50PPM stability so it's good even for high precision needs (USB timing, long-term time-keeping, RF\/PLL\/VCO driving).\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eTo use, connect the two pins to XTAL-in and XTAL-out on your circuit (the package is symmetric so use whichever pin) and one capacitor each from a crystal pin to ground. Check your microcontroller datasheet in case you also need a 1 Megaohm resistor or any other components.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: bold;\"\u003eTECHNICAL DETAILS\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003ePin Length (capacitors): 13mm \/ 0.5\"\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDiameter (capacitors): 5mm \/ 0.2\"\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.adafruit.com\/images\/product-files\/2215\/2215datasheet.pdf\" target=\"_blank\"\u003eCrystal Datasheet\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.adafruit.com\/images\/product-files\/2215\/2215dims.png\" target=\"_blank\"\u003eCrystal Dimensions\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/div\u003e\n\n\u003cstyle\u003e\n.product-copy{line-height:1.7}\n.product-copy \u003e * + *{margin-top:1rem}\n.product-copy h2{margin:1.4em 0 .6em}\n.product-copy p{margin:0 0 1em}\n.product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n.product-copy li{margin:.35em 0}\n.product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n.product-copy table th,\n.product-copy table td{border:1px solid #eee;padding:.6em .75em;text-align:left}\n.faq-list{margin:1.2rem 0 1.4rem}\n.faq{border:1px solid #e6e6e6;border-radius:12px;padding:.75rem 1rem;margin:.6rem 0;background:#fafafa}\n.faq summary{font-weight:600;cursor:pointer}\n@media (min-width:768px){ .product-copy{font-size:1.02rem} }\n\u003c\/style\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":45813697216801,"sku":"2215","price":85.0,"currency_code":"PHP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/16-mhz-crystal-20pf-capacitors-white.jpg?v=1778911176"},{"product_id":"8-mhz-crystal-20pf-capacitors","title":"8 MHz Crystal + 20pF Capacitors - MCU Clock","description":"\u003cdiv class=\"product-copy\"\u003e\n\n\u003cp\u003eKeep your microcontroller tickin' with a a fancy timing crystal. This 8.000 MHz model comes in a HC49\/US 'short style' standard package and is breadboard friendly and easy to use with any microcontroller or device that requires an external crystal. We even include two 20pF capacitors!\u003c\/p\u003e\n\u003cp\u003eThe crystal has 30PPM tolerance, 50PPM stability so it's good even for high precision needs (USB timing, long-term time-keeping, RF\/PLL\/VCO driving).\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eTo use, connect the two pins to XTAL-in and XTAL-out on your circuit (the package is symmetric so use whichever pin) and one capacitor each from a crystal pin to ground. Check your microcontroller datasheet in case you also need a 1 Megaohm resistor or any other components.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: bold;\"\u003eTECHNICAL DETAILS\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003ePin Length (capacitors): 13mm \/ 0.5\"\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDiameter (capacitors): 5mm \/ 0.2\"\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.adafruit.com\/images\/product-files\/2213\/2213datasheet.pdf\" target=\"_blank\" style=\"background-color: rgb(255, 255, 255);\"\u003eCrystal Datasheet\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.adafruit.com\/images\/product-files\/2213\/2213dims.png\" target=\"_blank\" style=\"background-color: rgb(255, 255, 255);\"\u003eCrystal Dimensions\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/div\u003e\n\n\u003cstyle\u003e\n.product-copy{line-height:1.7}\n.product-copy \u003e * + *{margin-top:1rem}\n.product-copy h2{margin:1.4em 0 .6em}\n.product-copy p{margin:0 0 1em}\n.product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n.product-copy li{margin:.35em 0}\n.product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n.product-copy table th,\n.product-copy table td{border:1px solid #eee;padding:.6em .75em;text-align:left}\n.faq-list{margin:1.2rem 0 1.4rem}\n.faq{border:1px solid #e6e6e6;border-radius:12px;padding:.75rem 1rem;margin:.6rem 0;background:#fafafa}\n.faq summary{font-weight:600;cursor:pointer}\n@media (min-width:768px){ .product-copy{font-size:1.02rem} }\n\u003c\/style\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":45813697249569,"sku":"2213","price":65.0,"currency_code":"PHP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/8-mhz-crystal-20pf-capacitors-white.jpg?v=1778911200"},{"product_id":"12-mhz-ceramic-resonator-oscillator","title":"Adafruit 12 MHz Ceramic Resonator\/Oscillator - 1874","description":"\u003cdiv class=\"product-copy\"\u003e\n\n\u003cp\u003eKeep your microcontroller tickin' with a ceramic oscillator. These little devices are bread-board friendly (0.1\" pin spacing) and easy to use. They act much like crystals with the 'stability' capacitors inside. They have 0.5% accuracy, great for every day electronics and microcontroller work and certainly precise enough for UART or other baud-rate generation. For ultra-high precision needs (Certain USB timing, long-term time-keeping, RF\/PLL\/VCO driving) you may need a crystal or temperate-compensated oscillator. \u003c\/p\u003e\n\u003cp\u003eTo use, connect the two outer pins to XTAL-in and XTAL-out on your circuit (they package is symmetric so use whichever outer pin) and the inner pin to ground. Check the datasheet for more specs.\u003c\/p\u003e\n\u003ciframe src=\"\/\/www.youtube.com\/embed\/zTgSLqpGHCg\" width=\"640\" height=\"360\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\u003cp\u003e\u003cspan style=\"font-weight: bold;\"\u003eTECHNICAL DETAILS\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eTotal Dimensions: 14mm x 7mm x 4mm \/ .6\" x .3\" x .2\"\u003c\/p\u003e\n\u003cp\u003ePin Length: 6mm \/ .24\"\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/adafruit.com\/datasheets\/1874_Datasheet.pdf\" target=\"_blank\"\u003eDatasheet\u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cstyle\u003e\n.product-copy{line-height:1.7}\n.product-copy \u003e * + *{margin-top:1rem}\n.product-copy h2{margin:1.4em 0 .6em}\n.product-copy p{margin:0 0 1em}\n.product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n.product-copy li{margin:.35em 0}\n.product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n.product-copy table th,\n.product-copy table td{border:1px solid #eee;padding:.6em .75em;text-align:left}\n.faq-list{margin:1.2rem 0 1.4rem}\n.faq{border:1px solid #e6e6e6;border-radius:12px;padding:.75rem 1rem;margin:.6rem 0;background:#fafafa}\n.faq summary{font-weight:600;cursor:pointer}\n@media (min-width:768px){ .product-copy{font-size:1.02rem} }\n\u003c\/style\u003e","brand":"Adafruit","offers":[{"title":"Default Title","offer_id":45813697315105,"sku":"1874","price":59.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/products\/12-mhz-ceramic-resonator-oscillator-923.jpg?v=1689672135"},{"product_id":"8-mhz-ceramic-resonator-oscillator","title":"Adafruit 8 MHz Ceramic Resonator\/Oscillator - 1872","description":"\u003cdiv class=\"product-copy\"\u003e\n\n\u003cp\u003eKeep your microcontroller tickin' with a ceramic oscillator. These little devices are bread-board friendly (0.1\" pin spacing) and easy to use. They act much like crystals with the 'stability' capacitors inside. They have 0.5% accuracy, great for every day electronics and microcontroller work and certainly precise enough for UART or other baud-rate generation. For ultra-high precision needs (USB timing, long-term time-keeping, RF\/PLL\/VCO driving) you may need a crystal or temperate-compensated oscillator.\u003c\/p\u003e\n\u003cp\u003eTo use, connect the two outer pins to XTAL-in and XTAL-out on your circuit (they package is symmetric so use whichever outer pin) and the inner pin to ground. Check the datasheet for more specs\u003cbr\u003e\u003c\/p\u003e\n\u003ciframe src=\"\/\/www.youtube.com\/embed\/zTgSLqpGHCg\" width=\"640\" height=\"360\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\u003cp\u003e\u003cspan style=\"font-weight: bold;\"\u003eTECHNICAL DETAILS\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTotal Dimensions: 8mm x 9mm x 2mm \/ .3\" x .4\" x .08\"\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePin Length: 4.3mm \/ .17\"\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/adafruit.com\/datasheets\/1872_8mhz.pdf\"\u003eDATASHEET\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cstyle\u003e\n.product-copy{line-height:1.7}\n.product-copy \u003e * + *{margin-top:1rem}\n.product-copy h2{margin:1.4em 0 .6em}\n.product-copy p{margin:0 0 1em}\n.product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n.product-copy li{margin:.35em 0}\n.product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n.product-copy table th,\n.product-copy table td{border:1px solid #eee;padding:.6em .75em;text-align:left}\n.faq-list{margin:1.2rem 0 1.4rem}\n.faq{border:1px solid #e6e6e6;border-radius:12px;padding:.75rem 1rem;margin:.6rem 0;background:#fafafa}\n.faq summary{font-weight:600;cursor:pointer}\n@media (min-width:768px){ .product-copy{font-size:1.02rem} }\n\u003c\/style\u003e","brand":"Adafruit","offers":[{"title":"Default Title","offer_id":45813697380641,"sku":"1872","price":72.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/products\/8-mhz-ceramic-resonator-oscillator-924.jpg?v=1689672139"},{"product_id":"led-5mm-25pcs-red-green-yellow-blue-white","title":"LED 5mm 25pcs - Red\/Green\/Yellow\/Blue\/White Mixed","description":"\u003cdiv class=\"product-copy\"\u003e\n \u003cstyle\u003e\n .product-copy{line-height:1.7;color:#1f2937}\n .product-copy \u003e * + *{margin-top:1rem}\n .product-copy h2{margin:1.4em 0 .6em;color:#111827}\n .product-copy h3{margin:1.1em 0 .5em;color:#111827}\n .product-copy p{margin:0 0 1em}\n .product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n .product-copy li{margin:.35em 0}\n .product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n .product-copy table th,.product-copy table td{border:1px solid #e5e7eb;padding:.7em .8em;text-align:left;vertical-align:top}\n .product-copy table th{background:#f9fafb;width:32%}\n .faq-list{margin:1.2rem 0 1.4rem}\n .faq{border:1px solid #e5e7eb;border-radius:12px;padding:.85rem 1rem;margin:.6rem 0;background:#fafafa}\n .note{background:#f8fafc;border-left:4px solid #2563eb;padding:.85rem 1rem;border-radius:8px}\n \u003c\/style\u003e\n\n \u003ch2\u003eReliable LED Parts for Indicators, Lighting, and DIY Builds\u003c\/h2\u003e\n\n \u003cp\u003eThe \u003cstrong\u003eLED 5mm 25PCS Red \/ Green \/ Yellow \/ Blue \/ White\u003c\/strong\u003e is a useful LED part for electronics, indicators, learning projects, and visual feedback in DIY builds. It is a simple way to add color, status signals, or light effects to a circuit.\u003c\/p\u003e\n\n \u003cp\u003eWhether you are building a beginner project or stocking up on common parts, LEDs like this are a staple for prototyping and repair work. They pair well with breadboards, resistors, and maker boards.\u003c\/p\u003e\n \u003ch3\u003eWhy you'll love it\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003ePack of 25 diffused LEDs in white, blue, green, yellow, and red \/ (5 each per color)\u003c\/li\u003e\n \u003cli\u003eClassic 5mm diameter\u003c\/li\u003e\n \u003cli\u003eRed, Yellow, and Green have ~2V Forward Voltage, at 20mA current\u003c\/li\u003e\n \u003cli\u003eBlue and White have ~3.3V Forward Voltage, at 20mA current\u003c\/li\u003e\n \u003cli\u003e250 mcd typical brightness\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhat you can build\u003c\/h3\u003e\n \u003cp\u003eUse it for indicator lights, learning circuits, traffic-light demos, simple displays, breadboard projects, and DIY electronics practice.\u003c\/p\u003e\n\n \u003ch3\u003eStarter bundles\u003c\/h3\u003e\n \u003cp\u003ePair it with \u003ca href=\"\/search?q=resistor\"\u003eresistors\u003c\/a\u003e, \u003ca href=\"\/search?q=breadboard\"\u003ebreadboards\u003c\/a\u003e, \u003ca href=\"\/search?q=jumper+wires\"\u003ejumper wires\u003c\/a\u003e, and \u003ca href=\"\/search?q=arduino+starter+kit\"\u003eArduino-compatible boards\u003c\/a\u003e for quick circuit work.\u003c\/p\u003e\n\n \u003ch3\u003eRecommended add-ons\u003c\/h3\u003e\n \u003cp\u003eHelpful add-ons include \u003ca href=\"\/search?q=transistor\"\u003etransistors\u003c\/a\u003e, \u003ca href=\"\/search?q=push+button\"\u003epush buttons\u003c\/a\u003e, \u003ca href=\"\/search?q=battery+holder\"\u003ebattery holders\u003c\/a\u003e, and \u003ca href=\"\/search?q=soldering+tools\"\u003esoldering tools\u003c\/a\u003e depending on your project.\u003c\/p\u003e\n\n \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n \u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eProduct\u003c\/th\u003e\n \u003ctd\u003eLED 5mm 25PCS Red \/ Green \/ Yellow \/ Blue \/ White\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eColor \/ light type\u003c\/th\u003e\n \u003ctd\u003eRed, Green, Blue, Yellow, White\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003ePack quantity\u003c\/th\u003e\n \u003ctd\u003e25 pcs\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/table\u003e\n\n \u003ch3\u003ePinout \u0026amp; usage notes\u003c\/h3\u003e\n \u003cp\u003eAlways use the proper current-limiting resistor when wiring standard LEDs unless the module already includes the required drive circuit.\u003c\/p\u003e\n\n \u003ch3\u003eWhat’s in the box\u003c\/h3\u003e\n \u003cp\u003e1 × LED pack or module as named in the title.\u003c\/p\u003e\n\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdiv class=\"faq-list\"\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eCan I use this on a breadboard?\u003c\/strong\u003e\n Yes. Many LED parts in this category are suitable for breadboard and learning use.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eDo I need a resistor?\u003c\/strong\u003e\n For standard LEDs, yes, a proper current-limiting resistor is usually required.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eIs this good for Arduino projects?\u003c\/strong\u003e\n Yes. LEDs are commonly used for status lights, effects, and learning demos.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eWhat can I build with this?\u003c\/strong\u003e\n You can use it for indicator lights, light effects, counters, and many beginner circuits.\n \u003c\/div\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":45813703672097,"sku":"Y0056","price":55.0,"currency_code":"PHP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/products\/led-5mm-25pcs-red-green-yellow-blue-white-959.jpg?v=1689672295"},{"product_id":"capacitors-electrolytic-4700uf-10v-pack-of-10","title":"Capacitor Electrolytic 4700uF 10V - Pack of 10","description":"\u003cdiv class=\"product-copy\"\u003e\n \u003cstyle\u003e\n .product-copy{line-height:1.7;color:#1f2937}\n .product-copy \u003e * + *{margin-top:1rem}\n .product-copy h2{margin:1.4em 0 .6em;color:#111827}\n .product-copy h3{margin:1.1em 0 .5em;color:#111827}\n .product-copy p{margin:0 0 1em}\n .product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n .product-copy li{margin:.35em 0}\n .product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n .product-copy table th,.product-copy table td{border:1px solid #e5e7eb;padding:.7em .8em;text-align:left;vertical-align:top}\n .product-copy table th{background:#f9fafb;width:32%}\n .faq-list{margin:1.2rem 0 1.4rem}\n .faq{border:1px solid #e5e7eb;border-radius:12px;padding:.85rem 1rem;margin:.6rem 0;background:#fafafa}\n .note{background:#f8fafc;border-left:4px solid #2563eb;padding:.85rem 1rem;border-radius:8px}\n \u003c\/style\u003e\n\n \u003ch2\u003eElectrolytic Capacitor 10V 4700µF — Pack of 10\u003c\/h2\u003e\n\n \u003cp\u003e\n The \u003cstrong\u003eElectrolytic Capacitor 10V 4700µF (Pack of 10)\u003c\/strong\u003e is a polarized aluminum electrolytic capacitor\n rated for \u003cstrong\u003e10V\u003c\/strong\u003e maximum and \u003cstrong\u003e4700µF\u003c\/strong\u003e capacitance. A common value for power filtering, decoupling, and audio coupling in electronic projects.\n \u003c\/p\u003e\n\n \u003cdiv class=\"note\"\u003e\n \u003cstrong\u003eVoltage rule:\u003c\/strong\u003e Always use a capacitor rated for at least \u003cstrong\u003e1.5× to 2×\u003c\/strong\u003e your actual circuit voltage.\n This 10V cap is safe for circuits up to ~6V for reliable, long-term operation.\n \u003c\/div\u003e\n\n \u003ch3\u003eCommon uses for 4700µF capacitors\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003ePower supply filtering:\u003c\/strong\u003e Smooth rectified DC and reduce ripple\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDecoupling:\u003c\/strong\u003e Provide local energy reserves near ICs and voltage regulators\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eAudio coupling:\u003c\/strong\u003e Block DC while passing audio signals between amplifier stages\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eBulk energy storage:\u003c\/strong\u003e Support high-current transients in motor and servo circuits\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n \u003ctable\u003e\n \u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eAluminum electrolytic (polarized)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eCapacitance\u003c\/th\u003e\n\u003ctd\u003e4700 µF\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eVoltage rating\u003c\/th\u003e\n\u003ctd\u003e10V\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003ctd\u003e10 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003ePolarity\u003c\/th\u003e\n\u003ctd\u003ePolarized — observe +\/− markings\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/table\u003e\n\u003c\/div\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":45813705310497,"sku":"1589","price":99.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/capacitors-electrolytic-4700uf-10v-pack-of-10-white.jpg?v=1778911518"},{"product_id":"diode-1n4001-10-pack","title":"Diode 1N4001 - Rectifier Diode 50V 1A 10-Pack","description":"\u003cdiv class=\"product-copy\"\u003e\n\n\u003cp\u003eWhile most Arduino boards already have protection diodes built-in, they are still necessary, especially if you're dealing with an unreliable power supply. Diodes are the only electronic component that provides reverse polarity protection (put it between your DC power jack and circuitry to prevent negative voltage from frying your chips), kickback protection (place across solenoids, relays \u0026amp; DC motors to safely discharge the spikes from the coils), and rectification (put before your DC circuit to convert bidirectional AC to single directional DC). Having a few of them in your workshop will do you no harm and may even solve a potential problem in your future projects\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-weight: bold;\"\u003eSpecifications: \u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCase: Epoxy, Molded\u003c\/li\u003e\n\u003cli style=\"\"\u003eWeight: 0.4 gram (approximately)\u003c\/li\u003e\n\u003cli style=\"\"\u003eFinish: All External Surfaces Corrosion Resistant and Terminal\u003c\/li\u003e\n\u003cli style=\"\"\u003eLeads are Readily Solderable\u003c\/li\u003e\n\u003cli style=\"\"\u003eLead and Mounting Surface Temperature for Soldering Purposes:\u003c\/li\u003e\n\u003cli style=\"\"\u003e260°C Max. for 10 Seconds, 1\/16 in. from case\u003c\/li\u003e\n\u003cli style=\"\"\u003ePolarity: Cathode Indicated by Polarity Band\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: bold;\"\u003eLibrary: \u003c\/span\u003eNone\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: bold;\"\u003eInclusions: \u003c\/span\u003e10 x Diode 1N4001\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: bold;\"\u003eDocuments:\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cul\u003e\u003cli\u003e\n\u003ca href=\"https:\/\/cdn-shop.adafruit.com\/datasheets\/1N4001-D.PDF\"\u003e1N4001 datasheet\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\u003c\/ul\u003e\n\n\u003c\/div\u003e\n\n\u003cstyle\u003e\n.product-copy{line-height:1.7}\n.product-copy \u003e * + *{margin-top:1rem}\n.product-copy h2{margin:1.4em 0 .6em}\n.product-copy p{margin:0 0 1em}\n.product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n.product-copy li{margin:.35em 0}\n.product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n.product-copy table th,\n.product-copy table td{border:1px solid #eee;padding:.6em .75em;text-align:left}\n.faq-list{margin:1.2rem 0 1.4rem}\n.faq{border:1px solid #e6e6e6;border-radius:12px;padding:.75rem 1rem;margin:.6rem 0;background:#fafafa}\n.faq summary{font-weight:600;cursor:pointer}\n@media (min-width:768px){ .product-copy{font-size:1.02rem} }\n\u003c\/style\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":45813705343265,"sku":"AK169","price":45.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/diode-1n4001-10-pack-white.jpg?v=1778911642"},{"product_id":"resistors-through-hole-220-ohm-5-1-4w-pack-of-25","title":"Resistor 220 ohm 5% 1\/4W Through-Hole - Pack of 10","description":"\u003cdiv class=\"product-copy\"\u003e\n\u003cp\u003eΩMG! You're not going to be able to resist these handy resistor packs! Well, axially, they do all of the resisting for you!\u003c\/p\u003e\n\u003cp\u003eThis is a 25 Pack of 220Ω Resistors. More specifically, they are carbon film, through-hole axial type, with 1\/4 Watt max dissipation, 300V max voltage, 5% precision resistors. Whew! These are super common and great for use in any kit, breadboard, perf-board, or other project. We got ones with 0.4mm thick wires so they plug in nicely into solder-less breadboards.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eWe have a slew of different resistor packs with different ohms of resistance\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: bold;\"\u003eTECHNICAL DETAILS\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/adafruit.com\/images\/product-files\/2780\/Resistor_Data_Sheet.pdf\" target=\"_blank\"\u003eResistor Datasheet\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\n.product-copy{line-height:1.7}\n.product-copy \u003e * + *{margin-top:1rem}\n.product-copy h2{margin:1.4em 0 .6em}\n.product-copy p{margin:0 0 1em}\n.product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n.product-copy li{margin:.35em 0}\n.product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n.product-copy table th,\n.product-copy table td{border:1px solid #eee;padding:.6em .75em;text-align:left}\n.faq-list{margin:1.2rem 0 1.4rem}\n.faq{border:1px solid #e6e6e6;border-radius:12px;padding:.75rem 1rem;margin:.6rem 0;background:#fafafa}\n.faq summary{font-weight:600;cursor:pointer}\n@media (min-width:768px){ .product-copy{font-size:1.02rem} }\n\u003c\/style\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":45813705474337,"sku":"2780","price":19.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/products\/resistor-through-hole-220-ohm-5-1-4w-pack-of-10-982.jpg?v=1689672369"},{"product_id":"linear-voltage-regulator-3-3v-800ma-ld1117-3-3-to-220","title":"LD1117-3.3V Linear Voltage Regulator 800mA TO-220","description":"\u003cdiv class=\"product-copy\"\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: bold;\"\u003eLinear Voltage Regulator 3.3V 800mA LD1117-3.3 TO-220\u003c\/span\u003e -  The LD1117 3.3V linear voltage regulator, version TO-220, could give you a constant output voltage of 3.3V from 4V to 15V power supply input, with a 1V linear dropout. That means that you need at least 4.3V input to get 3.3V output.\u003c\/p\u003e\n\u003cp\u003eIt converts the 5V power supply to 3.3V for supplying other components. It has a quiescent current draw of 5mA and can provide up to 800mA, using a proper heatsink.\u003c\/p\u003e\n\u003cp\u003eMore and more heat occurs as voltage increases.\u003c\/p\u003e\n\u003cp\u003eWithout a proper heatsink, this module could burn up to 2W. There is a formula for determining the need for a heatsink related to your power supply input by determining your setup wattage. The formula goes like W = input voltage - 3.3V * average current output(A). Any wattage that goes above 2W would require a heatsink on your setup.\u003c\/p\u003e\n\u003cp\u003eThis regulator has an internal current limiting and thermal shutdown protection that makes it the right choice for electronics projects because of its durability.\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions about Linear Voltage Regulator 3.3V 800mA LD1117-3.3 TO-220\u003c\/h2\u003e\n\u003ch3\u003eQ1: What kinds of voltage regulators are on the market?\u003c\/h3\u003e\n\u003cp\u003eLinear voltage regulators are the most readily available and frequently the simplest to use the form of voltage regulators. Compact and frequently employed in low-voltage, low-power devices are linear regulators. Although switching voltage regulators are more expensive and more difficult to use than linear voltage regulators, they are more efficient. Although affordable and simple to use, zener diodes are less effective than linear regulators.\u003c\/p\u003e\n\n\u003cul\u003e\u003cli\u003eLinear Regulators\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003eUsing a common 3-pin linear voltage regulator, such as the LM7805, which produces a 5-volt, 1-amp output with an input voltage of up to 36 volts, is one of the simplest ways to provide a stable voltage for electronics (depending on the model). In essence, linear regulators transform into voltage divider circuits by altering the effective resistor (ESR) of the regulator in response to a feedback voltage. This enables the regulator to output a constant voltage up to its current capacity regardless of the current applied loads to it.\u003c\/p\u003e\n\u003cp\u003eThe substantial minimum voltage drop of linear voltage regulators, which is 2.0 volts on the common LM7805 linear voltage regulator, is one of their major drawbacks. Therefore, at least a 7-volt input is needed to provide a consistent 5-volt output. As a result of this voltage drop, the linear regulator must expend at least 2 watts of electricity to supply a 1-amp load (2-volt voltage drop times 1 amp).\u003c\/p\u003e\n\n\u003cul\u003e\u003cli\u003eSwitching Regulators\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003eWhen the induced voltage between the input and output is small and not much power is needed, linear regulators are excellent low-cost, low-power solutions. Switching regulators are a good alternative to linear regulators since they are more effective, which is one of their main drawbacks. The ideal choice is a switching regulator when great efficiency is required or a wide range of input voltage is anticipated. In contrast to linear voltage regulators, which frequently have power efficiencies below 50%, switching voltage regulators have power efficiencies of 85% or more.\u003c\/p\u003e\n\u003cp\u003eCompared to linear regulators, switching regulators typically require more components. Comparatively to linear regulators, the values of the components have a greater impact on the overall performance of switching regulators. Due to the electronic noise that switching regulators produce, it can be difficult to use them effectively without sacrificing the performance of the circuit.\u003c\/p\u003e\n\n\u003cul\u003e\u003cli\u003eZener Diodes\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003eUsing a Zener diode to control voltage is one of the easiest methods. While Zener diodes offer effective voltage regulation in a single component, linear regulators are typically simple in construction. Zenerdiodes can be used as a straightforward voltage regulator by having the output voltage drawn across the leads of the device because they shunt all excess voltage above their breakdown voltage threshold to the ground. However, because of their limited capacity to manage power, zeners can only be used in low-power applications.\u003c\/p\u003e\n\u003cp\u003eWhen employing Zener diodes in this way, it's best to deliberately choose an appropriate-sized resistor to restrict the amount of power that can pass through the Zener.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: bold;\"\u003eTECHNICAL DETAILS\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/cdn-shop.adafruit.com\/product-files\/2165\/LD1117.pdf\" target=\"_blank\" style=\"background-color: rgb(255, 255, 255);\"\u003eDatasheet\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDimensions: 29mm x 10mm x 4mm \/ 1.1\" x 0.4\" x 0.2\"\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePin Length: 13mm \/ 0.5\"\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/div\u003e\n\n\u003cstyle\u003e\n.product-copy{line-height:1.7}\n.product-copy \u003e * + *{margin-top:1rem}\n.product-copy h2{margin:1.4em 0 .6em}\n.product-copy p{margin:0 0 1em}\n.product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n.product-copy li{margin:.35em 0}\n.product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n.product-copy table th,\n.product-copy table td{border:1px solid #eee;padding:.6em .75em;text-align:left}\n.faq-list{margin:1.2rem 0 1.4rem}\n.faq{border:1px solid #e6e6e6;border-radius:12px;padding:.75rem 1rem;margin:.6rem 0;background:#fafafa}\n.faq summary{font-weight:600;cursor:pointer}\n@media (min-width:768px){ .product-copy{font-size:1.02rem} }\n\u003c\/style\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":45813706555681,"sku":"AK076","price":25.0,"currency_code":"PHP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/linear-voltage-regulator-3-3v-800ma-ld1117-3-3-to-220-white.jpg?v=1778911814"},{"product_id":"capacitors-0-1uf-ceramic-10-pack","title":"Adafruit Capacitors 0.1uF Ceramic 10-Pack - 753","description":"\u003cdiv class=\"product-copy\"\u003e\n\n\u003cp\u003eAs any engineer will tell you, 0.1uF ceramic capacitors are the magic fairy dust of electronics - sprinkle them over your circuit schematics for good luck! But seriously, a 0.1uF capacitor right next to the VCC pin of your chips will improve stability by filtering out power supply spikes and noise that can cause flaky behavior. We love these little guys, they have 0.1\" spacing so fit into any perf or breadboard, compact and good quality. We use these exclusively in all our kits, and are always handy for any project or prototype! So useful, we offer them in packs of 10.\u003c\/p\u003e\n\u003cp\u003eEach capacitor is coded \u003cspan style=\"font-weight: bold;\"\u003e104\u003c\/span\u003e, 0.1uF value, -20%\/+80% tolerance (so they're best used for power supplies, perhaps not great for precision filter design), 50V max voltage.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: bold;\"\u003eTECHNICAL DETAILS\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cul\u003e\u003cli\u003e\n\u003ca href=\"https:\/\/cdn-shop.adafruit.com\/datasheets\/mkseries.pdf\" target=\"_blank\" style=\"background-color: rgb(255, 255, 255);\"\u003eDatasheet for the 0.1uF capacitors\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\u003c\/ul\u003e\n\n\u003c\/div\u003e\n\n\u003cstyle\u003e\n.product-copy{line-height:1.7}\n.product-copy \u003e * + *{margin-top:1rem}\n.product-copy h2{margin:1.4em 0 .6em}\n.product-copy p{margin:0 0 1em}\n.product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n.product-copy li{margin:.35em 0}\n.product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n.product-copy table th,\n.product-copy table td{border:1px solid #eee;padding:.6em .75em;text-align:left}\n.faq-list{margin:1.2rem 0 1.4rem}\n.faq{border:1px solid #e6e6e6;border-radius:12px;padding:.75rem 1rem;margin:.6rem 0;background:#fafafa}\n.faq summary{font-weight:600;cursor:pointer}\n@media (min-width:768px){ .product-copy{font-size:1.02rem} }\n\u003c\/style\u003e","brand":"Adafruit","offers":[{"title":"Default Title","offer_id":45813706621217,"sku":"753","price":75.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/products\/capacitors-0-1uf-ceramic-10-pack-984.jpg?v=1689672379"},{"product_id":"resistors-through-hole-470-ohm-5-1-4w-pack-of-25","title":"Resistor 470 ohm 5% 1\/4W Through-Hole - Pack of 10","description":"\u003cdiv class=\"product-copy\"\u003e\n\u003cp\u003eIt is a unique kind of resistor designed to protect delicate electrical parts. It is designed to block an electric circuit's surplus current, allowing only the necessary current to flow through and sustain the circuit. A common resistor used in many electronic settings to efficiently control the current and voltage flowing through the circuit boards is the Resistor Through-Hole 470 ohm 5% 1\/4W. \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat does the term \"resistor\" mean?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eA component or electronic device with two ends or terminals is called a resistor. Its primary function in an electric circuit is current management. In an electric circuit, it offers resistance to the current. Ohm's law, which was named after the scientist, states that resistance follows it.\u003c\/p\u003e\n\u003cp\u003eV = I X R, where I is the current, R is the resistance, and V is the voltage.\u003c\/p\u003e\n\u003cp\u003eResistors come in a variety of sizes, forms, capacities, resistances, and powers. They can also be installed on the surface or through a hole. In the electric circuit, these two are utilized based on necessity.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat do we mean by a 470-ohm 5% W through-hole resistor?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eA resistor with a value of 470 ohms will withstand an electric current in a certain area by 470 ohms. This will be done to safeguard the circuit's constituent parts. The resistance that the electric current in a circuit will encounter increases with the value of the resistance.\u003c\/p\u003e\n\u003cp\u003e5% indicates that the resistance can vary from 446 ohms, which is 5% less, to 493 ohms, which is 5% more than the stated figure of 470 ohms. It is the tolerance value. Between two resistance values, it will withstand the current. 0.25 watts of energy can be transferred through the resistor. It doesn't have to take this long. You can use its power capability for a variety of domestic applications.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eWhy is a resistor necessary?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eA resistor divides the circuit's voltage and permits a regulated current flow. Additionally, it guards against excessive electric current damaging the various electronic components. It allows the electricity to pass smoothly through it and other electric components.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eWhere can we utilize a 1\/4W, 470-ohm, 5% resistor through-hole?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eIt is readily applicable to a wide range of projects, including do-it-yourself projects, Arduino, Raspberry Pi, other electronic circuits, LED lights or circuits, and many more.\u003c\/p\u003e\n\u003cp\u003eΩMG! You're not going to be able to resist these handy resistor packs! Well, axially, they do all of the resisting for you!\u003c\/p\u003e\n\u003cp\u003eThis is a 25 Pack of 470Ω Resistors. More specifically, they are carbon film, through-hole axial type, with 1\/4 Watt max dissipation, 300V max voltage, 5% precision resistors. Whew! These are super common and great for use in any kit, breadboard, perf-board, or other project. We got ones with 0.4mm thick wires so they plug in nicely into solder-less breadboards.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: bold;\"\u003eTECHNICAL DETAILS\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/adafruit.com\/images\/product-files\/2780\/Resistor_Data_Sheet.pdf\" style=\"background-color: rgb(255, 255, 255);\" target=\"_blank\"\u003eResistor Datasheet\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/div\u003e\n\n\u003cstyle\u003e\n.product-copy{line-height:1.7}\n.product-copy \u003e * + *{margin-top:1rem}\n.product-copy h2{margin:1.4em 0 .6em}\n.product-copy p{margin:0 0 1em}\n.product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n.product-copy li{margin:.35em 0}\n.product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n.product-copy table th,\n.product-copy table td{border:1px solid #eee;padding:.6em .75em;text-align:left}\n.faq-list{margin:1.2rem 0 1.4rem}\n.faq{border:1px solid #e6e6e6;border-radius:12px;padding:.75rem 1rem;margin:.6rem 0;background:#fafafa}\n.faq summary{font-weight:600;cursor:pointer}\n@media (min-width:768px){ .product-copy{font-size:1.02rem} }\n\u003c\/style\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":45813706653985,"sku":"2781","price":19.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/products\/resistor-through-hole-470-ohm-5-1-4w-pack-of-10-985.jpg?v=1689672384"},{"product_id":"capacitors-10uf-50v-electrolytic-pack-of-10","title":"Capacitor Electrolytic 10uF 50V - Pack of 10","description":"\u003cdiv class=\"product-copy\"\u003e\n \u003cstyle\u003e\n .product-copy{line-height:1.7;color:#1f2937}\n .product-copy \u003e * + *{margin-top:1rem}\n .product-copy h2{margin:1.4em 0 .6em;color:#111827}\n .product-copy h3{margin:1.1em 0 .5em;color:#111827}\n .product-copy p{margin:0 0 1em}\n .product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n .product-copy li{margin:.35em 0}\n .product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n .product-copy table th,.product-copy table td{border:1px solid #e5e7eb;padding:.7em .8em;text-align:left;vertical-align:top}\n .product-copy table th{background:#f9fafb;width:32%}\n .faq-list{margin:1.2rem 0 1.4rem}\n .faq{border:1px solid #e5e7eb;border-radius:12px;padding:.85rem 1rem;margin:.6rem 0;background:#fafafa}\n .note{background:#f8fafc;border-left:4px solid #2563eb;padding:.85rem 1rem;border-radius:8px}\n \u003c\/style\u003e\n\n \u003ch2\u003eElectrolytic Capacitor 50V 10µF — Pack of 10\u003c\/h2\u003e\n\n \u003cp\u003e\n The \u003cstrong\u003eElectrolytic Capacitor 50V 10µF (Pack of 10)\u003c\/strong\u003e is a polarized aluminum electrolytic capacitor\n rated for \u003cstrong\u003e50V\u003c\/strong\u003e maximum and \u003cstrong\u003e10µF\u003c\/strong\u003e capacitance. A common value for power filtering, decoupling, and audio coupling in electronic projects.\n \u003c\/p\u003e\n\n \u003cdiv class=\"note\"\u003e\n \u003cstrong\u003eVoltage rule:\u003c\/strong\u003e Always use a capacitor rated for at least \u003cstrong\u003e1.5× to 2×\u003c\/strong\u003e your actual circuit voltage.\n This 50V cap is safe for circuits up to ~32V for reliable, long-term operation.\n \u003c\/div\u003e\n\n \u003ch3\u003eCommon uses for 10µF capacitors\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003ePower supply filtering:\u003c\/strong\u003e Smooth rectified DC and reduce ripple\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDecoupling:\u003c\/strong\u003e Provide local energy reserves near ICs and voltage regulators\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eAudio coupling:\u003c\/strong\u003e Block DC while passing audio signals between amplifier stages\u003c\/li\u003e\n \n \u003c\/ul\u003e\n\n \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n \u003ctable\u003e\n \u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eAluminum electrolytic (polarized)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eCapacitance\u003c\/th\u003e\n\u003ctd\u003e10 µF\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eVoltage rating\u003c\/th\u003e\n\u003ctd\u003e50V\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003ctd\u003e10 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003ePolarity\u003c\/th\u003e\n\u003ctd\u003ePolarized — observe +\/− markings\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/table\u003e\n\u003c\/div\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":45813706883361,"sku":"2195","price":139.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/capacitors-10uf-50v-electrolytic-pack-of-10-white.jpg?v=1778911515"},{"product_id":"stepper-uln2803a-8-channel-darlington-driver-solenoid-unipolar","title":"ULN2803A Darlington Driver - 8-Channel Solenoid\/Stepper","description":"\u003cdiv class=\"product-copy\"\u003e\n \u003cstyle\u003e\n .product-copy{line-height:1.7;color:#1f2937}\n .product-copy \u003e * + *{margin-top:1rem}\n .product-copy h2{margin:1.4em 0 .6em;color:#111827}\n .product-copy h3{margin:1.1em 0 .5em;color:#111827}\n .product-copy p{margin:0 0 1em}\n .product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n .product-copy li{margin:.35em 0}\n .product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n .product-copy table th,.product-copy table td{border:1px solid #e5e7eb;padding:.7em .8em;text-align:left;vertical-align:top}\n .product-copy table th{background:#f9fafb;width:32%}\n .faq-list{margin:1.2rem 0 1.4rem}\n .faq{border:1px solid #e5e7eb;border-radius:12px;padding:.85rem 1rem;margin:.6rem 0;background:#fafafa}\n .note{background:#f8fafc;border-left:4px solid #2563eb;padding:.85rem 1rem;border-radius:8px}\n \u003c\/style\u003e\n\n \u003ch2\u003ePractical Solenoid for Maker, Student, and Prototype Builds\u003c\/h2\u003e\n\n \u003cp\u003e\n The \u003cstrong\u003eStepper ULN2803A 8 Channel Darlington Driver Solenoid Unipolar\u003c\/strong\u003e is a practical \u003cstrong\u003esolenoid\u003c\/strong\u003e from \u003cstrong\u003eCircuitrocks\u003c\/strong\u003e for students, makers, and repair-friendly builds. It fits well in projects that need linear actuation, while keeping setup straightforward for testing and prototype work.\n \u003c\/p\u003e\n\n \u003cp\u003e\n Compared with generic parts, this product stands out through details such as \u003cstrong\u003eUnipolar motor\u003c\/strong\u003e. That makes it a solid choice for Arduino, ESP32, Raspberry Pi, robotics, motion-control, and workshop projects where matching the right part from the start saves time.\n \u003c\/p\u003e\n\n \u003cdiv class=\"note\"\u003e\n \u003cstrong\u003eImportant:\u003c\/strong\u003e Always match the electrical rating, size, and control method of this part with the rest of your setup before full-power testing.\n \u003c\/div\u003e\n\n \u003ch3\u003eWhy you'll love it\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eUnipolar motor design:\u003c\/strong\u003e a familiar format for many learner-friendly stepper setups\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eStraightforward linear action:\u003c\/strong\u003e adds useful value when choosing parts for a build\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUseful for lock or latch tasks:\u003c\/strong\u003e adds useful value when choosing parts for a build\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSimple trigger-based movement:\u003c\/strong\u003e adds useful value when choosing parts for a build\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eGood for push-pull mechanisms:\u003c\/strong\u003e adds useful value when choosing parts for a build\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhat you can build\u003c\/h3\u003e\n \u003cp\u003e\n This product is a good fit for locks, push-pull actions, latches, and simple linear motion projects. It works especially well in student projects, quick repairs, and prototype builds where part availability, straightforward hookup, and predictable results matter.\n \u003c\/p\u003e\n\n \u003ch3\u003eStarter bundles\u003c\/h3\u003e\n \u003cp\u003e\n Plan for a matching power supply, a proper driver stage where needed, and a controller if you want timed, remote, or sensor-based operation.\n \u003c\/p\u003e\n\n \u003ch3\u003eRecommended add-ons\u003c\/h3\u003e\n \u003cp\u003e\n Useful add-ons include brackets, springs, latches, and a proper driver stage. You can also compare it with \u003ca href=\"https:\/\/circuit.rocks\/products\/solenoid-electromagnetic-lock\"\u003eSolenoid Electromagnetic Lock\u003c\/a\u003e, \u003ca href=\"https:\/\/circuit.rocks\/products\/lock-small-electric-cabinet-dc-12v\"\u003eSolenoid Lock Cabinet\u003c\/a\u003e.\n \u003c\/p\u003e\n\n \u003ch3\u003eComparison table\u003c\/h3\u003e\n \u003ctable\u003e\n \u003ctr\u003e\n\u003cth\u003eCompared Product\u003c\/th\u003e\n\u003cth\u003eBest For\u003c\/th\u003e\n\u003cth\u003eKey Difference\u003c\/th\u003e\n\u003cth\u003eDirect Link\u003c\/th\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/circuit.rocks\/products\/solenoid-electromagnetic-lock\"\u003eSolenoid Electromagnetic Lock\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003elinear actuation\u003c\/td\u003e\n\u003ctd\u003eSolenoid Electromagnetic Lock\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/circuit.rocks\/products\/solenoid-electromagnetic-lock\"\u003eView product\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/circuit.rocks\/products\/lock-small-electric-cabinet-dc-12v\"\u003eSolenoid Lock Cabinet\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003elinear actuation\u003c\/td\u003e\n\u003ctd\u003eSolenoid Lock Cabinet\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/circuit.rocks\/products\/lock-small-electric-cabinet-dc-12v\"\u003eView product\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/circuit.rocks\/products\/solenoid-large-push-pull\"\u003eSolenoid Large Push-Pull\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003elinear actuation\u003c\/td\u003e\n\u003ctd\u003eSolenoid Large Push Pull\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/circuit.rocks\/products\/solenoid-large-push-pull\"\u003eView product\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/table\u003e\n\n \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n \u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eProduct\u003c\/th\u003e\n \u003ctd\u003eStepper ULN2803A 8 Channel Darlington Driver Solenoid Unipolar\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003ctd\u003eCircuitrocks\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eProduct Type\u003c\/th\u003e\n \u003ctd\u003eSolenoid\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003ePrimary SKU\u003c\/th\u003e\n \u003ctd\u003e970\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eKey Specs\u003c\/th\u003e\n \u003ctd\u003e500mA, 50V, unipolar\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eProduct URL\u003c\/th\u003e\n \u003ctd\u003ehttps:\/\/circuit.rocks\/products\/stepper-uln2803a-8-channel-darlington-driver-solenoid-unipolar\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/table\u003e\n\n \u003ch3\u003ePinout \u0026amp; power notes\u003c\/h3\u003e\n \u003cp\u003e\n Drive the solenoid with a suitable transistor or relay and add proper protection where needed. The controller should only provide the signal, not the full load current.\n \u003c\/p\u003e\n\n \u003ch3\u003eWhat’s in the box\u003c\/h3\u003e\n \u003cp\u003e\n 1 × Stepper ULN2803A 8 Channel Darlington Driver Solenoid Unipolar\n \u003c\/p\u003e\n\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdiv class=\"faq-list\"\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eCan this work with Arduino or similar boards?\u003c\/strong\u003e\n Yes, as long as the voltage, control method, and wiring match your controller and power supply.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eShould I power it directly from a controller pin?\u003c\/strong\u003e\n For small signal-only modules that may be fine, but motors, pumps, solenoids, and relays should use a proper driver or external supply.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eIs this good for student and prototype builds?\u003c\/strong\u003e\n Yes. It fits well in testing, learning, and proof-of-concept projects when matched with the right support parts.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eHow do I choose the right version?\u003c\/strong\u003e\n Check the size, voltage, torque, speed, current, and fit details that matter most for your project.\n \u003c\/div\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":45813706981665,"sku":"970","price":105.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/stepper-uln2803a-8-channel-darlington-driver-solenoid-unipolar-white.jpg?v=1778912224"},{"product_id":"resistor-through-hole-22k-ohm-5-14w-pack-of-10","title":"Resistor 2.2K ohm 5% 1\/4W Through-Hole - Pack of 10","description":"\u003cdiv class=\"product-copy\"\u003e\n\u003cp\u003eResistor Through-Hole 2.2K ohm 5% 1\/4W is a special type of resistor that is used in the electrical and electronic setups in many different areas and helps to regulate the flow of electricity. Let us first try to understand what we mean by a resistor.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat do we mean by a resistor?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eAs the name implies, a resistor prevents electricity from flowing through a circuit. By doing this, it effectively regulates the electric current flow and only permits necessary electricity to flow. It prevents strong electric currents from damaging the other gadgets. It operates based on Ohm's law. \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat do we mean by Resistor Through-Hole 2.2K ohm 5% 1\/4W?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch4\u003e\u003cstrong\u003eThrough-hole resistor \u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eIt means the way it will be mounted on the PCB boards. These are mounted in the holes that are made over the PCD boards and have metal legs.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003e2.2k ohm \u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThis is the amount of resistance that the electric current can encounter from this resistor. 2200 ohms is the value. \u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003e5% is tolerance \u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eTolerance means how much variation can be seen in the resistance that is mentioned in it. In this case, it is 2200. So, resistance can vary between 2090 and 2310 ohms.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003e¼ Watt \u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eIt is the amount of power that can be sent out of the circuit without damaging the appliances or the circuit. It can cover 0.25 watts.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eHow does Resistor Through-Hole 2.2K ohm 5% 1\/4W work in the circuit?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eOhm's law governs how it operates. The voltage supplied will determine how much resistance there is to the current. Ohm's law allows us to measure that. When current passes through the resistor, it restricts the current flow and results in a voltage drop.\u003c\/p\u003e\n\u003ch5\u003e\n\u003cbr\u003e\u003cstrong\u003eWhere can we employ a 2.2K ohm, 5% 1\/4W resistor through-hole?\u003c\/strong\u003e\n\u003c\/h5\u003e\n\u003cp\u003eWe can use Resistor Through-Hole 2.2K ohm 5% 1\/4W in the LED bulbs, voltage divider in the electronic circuits. And many other areas where there is a need to control the excess electric or there are light devices connected in a circuit. It is used in Arduino, Raspberry Pi, microcontrollers, and other DIY projects.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003eConclusion \u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eThe 2.2K ohm 5% 1\/4W resistor through-hole is a small yet useful component used in electrical systems. Additionally, it is crucial for the circuit. It is essential for regulating a circuit's electric current. Circuitrocks offers the highest quality resistor through-hole 2.2K ohm 5% 1\/4W. Other products that are extremely important for electric circuits can also be found on the internet at the official website of Circuitrocks.\u003c\/p\u003e\n\u003cp\u003eΩMG! You're not going to be able to resist these handy resistor packs! Well, axially, they do all of the resisting for you!\u003c\/p\u003e\n\u003cp\u003eThis is a 25 Pack of 2.2K Ω Resistors. More specifically, they are carbon film, through-hole axial type, with 1\/4 Watt max dissipation, 300V max voltage, 5% precision resistors. Whew! These are super common and great for use in any kit, breadboard, perf-board, or other project. We got ones with 0.4mm thick wires so they plug in nicely into solder-less breadboards.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: bold;\"\u003eTECHNICAL DETAILS\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/adafruit.com\/images\/product-files\/2780\/Resistor_Data_Sheet.pdf\" style=\"background-color: rgb(255, 255, 255);\" target=\"_blank\"\u003eResistor Datasheet\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/div\u003e\n\n\u003cstyle\u003e\n.product-copy{line-height:1.7}\n.product-copy \u003e * + *{margin-top:1rem}\n.product-copy h2{margin:1.4em 0 .6em}\n.product-copy p{margin:0 0 1em}\n.product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n.product-copy li{margin:.35em 0}\n.product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n.product-copy table th,\n.product-copy table td{border:1px solid #eee;padding:.6em .75em;text-align:left}\n.faq-list{margin:1.2rem 0 1.4rem}\n.faq{border:1px solid #e6e6e6;border-radius:12px;padding:.75rem 1rem;margin:.6rem 0;background:#fafafa}\n.faq summary{font-weight:600;cursor:pointer}\n@media (min-width:768px){ .product-copy{font-size:1.02rem} }\n\u003c\/style\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":45813707964705,"sku":"2782","price":19.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/products\/resistor-through-hole-2-2k-ohm-5-1-4w-pack-of-10-993.jpg?v=1689672418"},{"product_id":"capacitors-electrolytic100uf-16v-pack-of-10","title":"Capacitor Electrolytic 100uF 16V - Pack of 10","description":"\u003cdiv class=\"product-copy\"\u003e\n \u003cstyle\u003e\n .product-copy{line-height:1.7;color:#1f2937}\n .product-copy \u003e * + *{margin-top:1rem}\n .product-copy h2{margin:1.4em 0 .6em;color:#111827}\n .product-copy h3{margin:1.1em 0 .5em;color:#111827}\n .product-copy p{margin:0 0 1em}\n .product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n .product-copy li{margin:.35em 0}\n .product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n .product-copy table th,.product-copy table td{border:1px solid #e5e7eb;padding:.7em .8em;text-align:left;vertical-align:top}\n .product-copy table th{background:#f9fafb;width:32%}\n .faq-list{margin:1.2rem 0 1.4rem}\n .faq{border:1px solid #e5e7eb;border-radius:12px;padding:.85rem 1rem;margin:.6rem 0;background:#fafafa}\n .note{background:#f8fafc;border-left:4px solid #2563eb;padding:.85rem 1rem;border-radius:8px}\n \u003c\/style\u003e\n\n \u003ch2\u003eElectrolytic Capacitor 16V 100µF — Pack of 10\u003c\/h2\u003e\n\n \u003cp\u003e\n The \u003cstrong\u003eElectrolytic Capacitor 16V 100µF (Pack of 10)\u003c\/strong\u003e is a polarized aluminum electrolytic capacitor\n rated for \u003cstrong\u003e16V\u003c\/strong\u003e maximum and \u003cstrong\u003e100µF\u003c\/strong\u003e capacitance. A common value for power filtering, decoupling, and audio coupling in electronic projects.\n \u003c\/p\u003e\n\n \u003cdiv class=\"note\"\u003e\n \u003cstrong\u003eVoltage rule:\u003c\/strong\u003e Always use a capacitor rated for at least \u003cstrong\u003e1.5× to 2×\u003c\/strong\u003e your actual circuit voltage.\n This 16V cap is safe for circuits up to ~10V for reliable, long-term operation.\n \u003c\/div\u003e\n\n \u003ch3\u003eCommon uses for 100µF capacitors\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003ePower supply filtering:\u003c\/strong\u003e Smooth rectified DC and reduce ripple\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDecoupling:\u003c\/strong\u003e Provide local energy reserves near ICs and voltage regulators\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eAudio coupling:\u003c\/strong\u003e Block DC while passing audio signals between amplifier stages\u003c\/li\u003e\n \n \u003c\/ul\u003e\n\n \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n \u003ctable\u003e\n \u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eAluminum electrolytic (polarized)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eCapacitance\u003c\/th\u003e\n\u003ctd\u003e100 µF\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eVoltage rating\u003c\/th\u003e\n\u003ctd\u003e16V\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003ctd\u003e10 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003ePolarity\u003c\/th\u003e\n\u003ctd\u003ePolarized — observe +\/− markings\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/table\u003e\n\u003c\/div\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":45813708292385,"sku":"2193","price":19.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/capacitors-electrolytic100uf-16v-pack-of-10-white.jpg?v=1778911510"},{"product_id":"resistors-through-hole-100k-ohm-5-1-4w-pack-of-25","title":"Resistor 100K ohm 5% 1\/4W Through-Hole - Pack of 10","description":"\u003cdiv class=\"product-copy\"\u003e\n\n\u003cp\u003eΩMG! You're not going to be able to resist these handy resistor packs! Well, axially, they do all of the resisting for you!\u003c\/p\u003e\n\u003cp\u003eThis is a 25 Pack of 100K Ω Resistors. More specifically, they are carbon film, through-hole axial type, with 1\/4 Watt max dissipation, 300V max voltage, 5% precision resistors. Whew! These are super common and great for use in any kit, breadboard, perf-board, or other project. We got ones with 0.4mm thick wires so they plug in nicely into solder-less breadboards.\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cstyle\u003e\n.product-copy{line-height:1.7}\n.product-copy \u003e * + *{margin-top:1rem}\n.product-copy h2{margin:1.4em 0 .6em}\n.product-copy p{margin:0 0 1em}\n.product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n.product-copy li{margin:.35em 0}\n.product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n.product-copy table th,\n.product-copy table td{border:1px solid #eee;padding:.6em .75em;text-align:left}\n.faq-list{margin:1.2rem 0 1.4rem}\n.faq{border:1px solid #e6e6e6;border-radius:12px;padding:.75rem 1rem;margin:.6rem 0;background:#fafafa}\n.faq summary{font-weight:600;cursor:pointer}\n@media (min-width:768px){ .product-copy{font-size:1.02rem} }\n\u003c\/style\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":45813708685601,"sku":"2787","price":19.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/products\/resistor-through-hole-100k-ohm-5-1-4w-pack-of-10-996.jpg?v=1689672432"},{"product_id":"diode-1n4148-signal-10-pack","title":"Diode 1N4148 Signal Diode - 5pcs Pack","description":"\u003cdiv class=\"product-copy\"\u003e\n\n\u003cp\u003eA diode is a semiconductor device that essentially acts as a one-way switch for current. It allows current to flow easily in one direction but severely restricts current from flowing in the opposite direction.\u003c\/p\u003e\n\u003cp\u003eDiodes are also known as rectifiers because they change alternating current (ac) into pulsating direct current (dc). Diodes are rated according to their type, voltage, and current capacity.\u003c\/p\u003e\n\u003cp\u003eDiodes have polarity, determined by an anode (positive lead) and the cathode (negative lead). Most diodes allow current to flow only when a positive voltage reaches the anode.\u003c\/p\u003e\n\u003cp\u003eIt is a 1N4148 diode, a standard silicon switching device. It is enclosed with sealed glass with a stud on each side that provides stability. It has a maximum current carrying capacity of 300mA and can withstand a current peaking at 2A. It can\u003c\/p\u003e\n\u003cp\u003eoperate in temperatures from -65°C to 175°C.\u003c\/p\u003e\n\u003cp\u003eThis diode specialty is a fast recovery time of 8 nanoseconds(ns) at a forward current of 10mA.\u003c\/p\u003e\n\u003cp\u003eIt can be used on circuits to prevent reverse polarity, current flow regulator. It can serve as half-wave and full-wave rectifiers.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cstyle\u003e\n.product-copy{line-height:1.7}\n.product-copy \u003e * + *{margin-top:1rem}\n.product-copy h2{margin:1.4em 0 .6em}\n.product-copy p{margin:0 0 1em}\n.product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n.product-copy li{margin:.35em 0}\n.product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n.product-copy table th,\n.product-copy table td{border:1px solid #eee;padding:.6em .75em;text-align:left}\n.faq-list{margin:1.2rem 0 1.4rem}\n.faq{border:1px solid #e6e6e6;border-radius:12px;padding:.75rem 1rem;margin:.6rem 0;background:#fafafa}\n.faq summary{font-weight:600;cursor:pointer}\n@media (min-width:768px){ .product-copy{font-size:1.02rem} }\n\u003c\/style\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":45813708980513,"sku":"AK129","price":25.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/diode-1n4148-signal-10-pack-white.jpg?v=1778911642"},{"product_id":"capacitors-electrolytic-220uf-16v-pack-of-10","title":"Capacitor Electrolytic 220uF 16V - Pack of 10","description":"\u003cdiv class=\"product-copy\"\u003e\n \u003cstyle\u003e\n .product-copy{line-height:1.7;color:#1f2937}\n .product-copy \u003e * + *{margin-top:1rem}\n .product-copy h2{margin:1.4em 0 .6em;color:#111827}\n .product-copy h3{margin:1.1em 0 .5em;color:#111827}\n .product-copy p{margin:0 0 1em}\n .product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n .product-copy li{margin:.35em 0}\n .product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n .product-copy table th,.product-copy table td{border:1px solid #e5e7eb;padding:.7em .8em;text-align:left;vertical-align:top}\n .product-copy table th{background:#f9fafb;width:32%}\n .faq-list{margin:1.2rem 0 1.4rem}\n .faq{border:1px solid #e5e7eb;border-radius:12px;padding:.85rem 1rem;margin:.6rem 0;background:#fafafa}\n .note{background:#f8fafc;border-left:4px solid #2563eb;padding:.85rem 1rem;border-radius:8px}\n \u003c\/style\u003e\n\n \u003ch2\u003eElectrolytic Capacitor 16V 220µF — Pack of 10\u003c\/h2\u003e\n\n \u003cp\u003e\n The \u003cstrong\u003eElectrolytic Capacitor 16V 220µF (Pack of 10)\u003c\/strong\u003e is a polarized aluminum electrolytic capacitor\n rated for \u003cstrong\u003e16V\u003c\/strong\u003e maximum and \u003cstrong\u003e220µF\u003c\/strong\u003e capacitance. A common value for power filtering, decoupling, and audio coupling in electronic projects.\n \u003c\/p\u003e\n\n \u003cdiv class=\"note\"\u003e\n \u003cstrong\u003eVoltage rule:\u003c\/strong\u003e Always use a capacitor rated for at least \u003cstrong\u003e1.5× to 2×\u003c\/strong\u003e your actual circuit voltage.\n This 16V cap is safe for circuits up to ~10V for reliable, long-term operation.\n \u003c\/div\u003e\n\n \u003ch3\u003eCommon uses for 220µF capacitors\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003ePower supply filtering:\u003c\/strong\u003e Smooth rectified DC and reduce ripple\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDecoupling:\u003c\/strong\u003e Provide local energy reserves near ICs and voltage regulators\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eAudio coupling:\u003c\/strong\u003e Block DC while passing audio signals between amplifier stages\u003c\/li\u003e\n \n \u003c\/ul\u003e\n\n \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n \u003ctable\u003e\n \u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eAluminum electrolytic (polarized)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eCapacitance\u003c\/th\u003e\n\u003ctd\u003e220 µF\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eVoltage rating\u003c\/th\u003e\n\u003ctd\u003e16V\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003ctd\u003e10 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003ePolarity\u003c\/th\u003e\n\u003ctd\u003ePolarized — observe +\/− markings\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/table\u003e\n\u003c\/div\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":45813709013281,"sku":"2192","price":25.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/products\/capacitors-electrolytic-220uf-16v-pack-of-10-998.jpg?v=1689672441"},{"product_id":"resistor-through-hole-47k-ohm-5-14w-pack-of-10-2","title":"Resistor 47K ohm 5% 1\/4W Through-Hole - Pack of 10","description":"\u003cdiv class=\"product-copy\"\u003e\n\n\u003cp\u003eΩMG! You're not going to be able to resist these handy resistor packs! Well, axially, they do all of the resisting for you!\u003c\/p\u003e\n\u003cp\u003eThis is a 25 Pack of 47K Ω Resistors. More specifically, they are carbon film, through-hole axial type, with 1\/4 Watt max dissipation, 300V max voltage, 5% precision resistors. Whew! These are super common and great for use in any kit, breadboard, perf-board, or other project. We got ones with 0.4mm thick wires so they plug in nicely into solder-less breadboards.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: bold;\"\u003eTECHNICAL DETAILS\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/adafruit.com\/images\/product-files\/2780\/Resistor_Data_Sheet.pdf\" target=\"_blank\"\u003eResistor Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cstyle\u003e\n.product-copy{line-height:1.7}\n.product-copy \u003e * + *{margin-top:1rem}\n.product-copy h2{margin:1.4em 0 .6em}\n.product-copy p{margin:0 0 1em}\n.product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n.product-copy li{margin:.35em 0}\n.product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n.product-copy table th,\n.product-copy table td{border:1px solid #eee;padding:.6em .75em;text-align:left}\n.faq-list{margin:1.2rem 0 1.4rem}\n.faq{border:1px solid #e6e6e6;border-radius:12px;padding:.75rem 1rem;margin:.6rem 0;background:#fafafa}\n.faq summary{font-weight:600;cursor:pointer}\n@media (min-width:768px){ .product-copy{font-size:1.02rem} }\n\u003c\/style\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":45813709209889,"sku":"2786","price":19.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/discrete-devices-resistors-through-hole-47k-ohm-5-1-4w-pack-of-25-html-white.jpg?v=1778911158"},{"product_id":"resistors-through-hole-22k-ohm-5-1-4w-pack-of-25","title":"Resistor 22K ohm 5% 1\/4W Through-Hole - Pack of 10","description":"\u003cdiv class=\"product-copy\"\u003e\n\n\u003cp\u003eΩMG! You're not going to be able to resist these handy resistor packs! Well, axially, they do all of the resisting for you!\u003c\/p\u003e\n\u003cp\u003eThis is a 25 Pack of 22K Ω Resistors. More specifically, they are carbon film, through-hole axial type, with 1\/4 Watt max dissipation, 300V max voltage, 5% precision resistors. Whew! These are super common and great for use in any kit, breadboard, perf-board, or other project. We got ones with 0.4mm thick wires so they plug in nicely into solder-less breadboards.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: bold;\"\u003eTECHNICAL DETAILS\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cul\u003e\u003cli\u003e\n\u003ca href=\"https:\/\/adafruit.com\/images\/product-files\/2780\/Resistor_Data_Sheet.pdf\" target=\"_blank\"\u003eResistor Datasheet\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\u003c\/ul\u003e\n\n\u003c\/div\u003e\n\n\u003cstyle\u003e\n.product-copy{line-height:1.7}\n.product-copy \u003e * + *{margin-top:1rem}\n.product-copy h2{margin:1.4em 0 .6em}\n.product-copy p{margin:0 0 1em}\n.product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n.product-copy li{margin:.35em 0}\n.product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n.product-copy table th,\n.product-copy table td{border:1px solid #eee;padding:.6em .75em;text-align:left}\n.faq-list{margin:1.2rem 0 1.4rem}\n.faq{border:1px solid #e6e6e6;border-radius:12px;padding:.75rem 1rem;margin:.6rem 0;background:#fafafa}\n.faq summary{font-weight:600;cursor:pointer}\n@media (min-width:768px){ .product-copy{font-size:1.02rem} }\n\u003c\/style\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":45813709340961,"sku":"2785","price":19.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/products\/resistor-through-hole-22k-ohm-5-1-4w-pack-of-10-1000.jpg?v=1689672451"},{"product_id":"electrolytic-capacitors-47uf-25v-pack-of-10","title":"Capacitor Electrolytic 47uF 25V - Pack of 10","description":"\u003cdiv class=\"product-copy\"\u003e\n \u003cstyle\u003e\n .product-copy{line-height:1.7;color:#1f2937}\n .product-copy \u003e * + *{margin-top:1rem}\n .product-copy h2{margin:1.4em 0 .6em;color:#111827}\n .product-copy h3{margin:1.1em 0 .5em;color:#111827}\n .product-copy p{margin:0 0 1em}\n .product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n .product-copy li{margin:.35em 0}\n .product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n .product-copy table th,.product-copy table td{border:1px solid #e5e7eb;padding:.7em .8em;text-align:left;vertical-align:top}\n .product-copy table th{background:#f9fafb;width:32%}\n .faq-list{margin:1.2rem 0 1.4rem}\n .faq{border:1px solid #e5e7eb;border-radius:12px;padding:.85rem 1rem;margin:.6rem 0;background:#fafafa}\n .note{background:#f8fafc;border-left:4px solid #2563eb;padding:.85rem 1rem;border-radius:8px}\n \u003c\/style\u003e\n\n \u003ch2\u003eElectrolytic Capacitor 25V 47µF — Pack of 10\u003c\/h2\u003e\n\n \u003cp\u003e\n The \u003cstrong\u003eElectrolytic Capacitor 25V 47µF (Pack of 10)\u003c\/strong\u003e is a polarized aluminum electrolytic capacitor\n rated for \u003cstrong\u003e25V\u003c\/strong\u003e maximum and \u003cstrong\u003e47µF\u003c\/strong\u003e capacitance. A common value for power filtering, decoupling, and audio coupling in electronic projects.\n \u003c\/p\u003e\n\n \u003cdiv class=\"note\"\u003e\n \u003cstrong\u003eVoltage rule:\u003c\/strong\u003e Always use a capacitor rated for at least \u003cstrong\u003e1.5× to 2×\u003c\/strong\u003e your actual circuit voltage.\n This 25V cap is safe for circuits up to ~16V for reliable, long-term operation.\n \u003c\/div\u003e\n\n \u003ch3\u003eCommon uses for 47µF capacitors\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003ePower supply filtering:\u003c\/strong\u003e Smooth rectified DC and reduce ripple\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDecoupling:\u003c\/strong\u003e Provide local energy reserves near ICs and voltage regulators\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eAudio coupling:\u003c\/strong\u003e Block DC while passing audio signals between amplifier stages\u003c\/li\u003e\n \n \u003c\/ul\u003e\n\n \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n \u003ctable\u003e\n \u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eAluminum electrolytic (polarized)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eCapacitance\u003c\/th\u003e\n\u003ctd\u003e47 µF\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eVoltage rating\u003c\/th\u003e\n\u003ctd\u003e25V\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003ctd\u003e10 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003ePolarity\u003c\/th\u003e\n\u003ctd\u003ePolarized — observe +\/− markings\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/table\u003e\n\u003c\/div\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":45813709537569,"sku":"2194","price":79.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/products\/electrolytic-capacitors-47uf-25v-pack-of-10-1001.jpg?v=1689672456"},{"product_id":"resistor-through-hole-10k-ohm-5-14w-pack-of-10","title":"Resistor 10K ohm 5% 1\/4W Through-Hole - Pack of 10","description":"\u003cdiv class=\"product-copy\"\u003e\n\u003cp\u003e10KΩ carbon-film through-hole resistor. 5% tolerance, 1\/4W max dissipation, 300V max. 0.4mm leads fit standard 2.54mm-pitch breadboards and perfboards. \u003cstrong\u003ePack of 10.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003especs\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eResistance\u003c\/th\u003e\n\u003ctd\u003e10 kΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTolerance\u003c\/th\u003e\n\u003ctd\u003e5% (9.5–10.5 kΩ)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower\u003c\/th\u003e\n\u003ctd\u003e1\/4 W (0.25 W)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax voltage\u003c\/th\u003e\n\u003ctd\u003e300 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eCarbon film, axial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLead diameter\u003c\/th\u003e\n\u003ctd\u003e0.4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003ctd\u003e10 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003ecommon uses\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePull-up \/ pull-down\u003c\/strong\u003e on GPIO inputs (Arduino, ESP32, Raspberry Pi)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage divider\u003c\/strong\u003e for scaling analog sensor outputs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eI2C bus pull-ups\u003c\/strong\u003e on breakouts that lack onboard pull-ups\u003c\/li\u003e\n\u003cli\u003eGeneral breadboard prototyping and current limiting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003enotes\u003c\/h2\u003e\n\u003cp\u003eColor code: brown-black-orange-gold. Confirm with a multimeter if mixing with older resistor stocks. Ships from Manila with same-day cutoff at 4 PM weekdays.\u003c\/p\u003e\n\u003cdiv class=\"faq-list\"\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cstrong\u003eQ: How do I read the color code?\u003c\/strong\u003eBrown-Black-Orange-Gold reads as 10,000Ω ±5%. Bands left to right; gold band is the tolerance ring.\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cstrong\u003eQ: Will these fit a standard 2.54mm breadboard?\u003c\/strong\u003eYes. 0.4mm lead diameter slides into 2.54mm holes without forcing.\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cstrong\u003eQ: Why 10K over other values?\u003c\/strong\u003eStandard pick for I2C pull-ups, MCU input pull-up\/down, and op-amp voltage dividers. High enough to keep current low, low enough to fight noise.\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cstrong\u003eQ: What's your return policy?\u003c\/strong\u003e7-day inspection window. If any are out-of-spec, email us with a photo of the meter reading and we'll replace.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":45813711896865,"sku":"2784","price":19.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/products\/resistor-through-hole-10k-ohm-5-1-4w-pack-of-10-1008.jpg?v=1689672489"},{"product_id":"resistor-through-hole-47k-ohm-5-14w-pack-of-10","title":"Resistor 4.7K ohm 5% 1\/4W Through-Hole - Pack of 10","description":"\u003cdiv class=\"product-copy\"\u003e\n\n\u003cp\u003eΩMG! You're not going to be able to resist these handy resistor packs! Well, axially, they do all of the resisting for you!\u003c\/p\u003e\n\u003cp\u003eThis is a 25 Pack of 4.7K Ω Resistors. More specifically, they are carbon film, through-hole axial type, with 1\/4 Watt max dissipation, 300V max voltage, 5% precision resistors. Whew! These are super common and great for use in any kit, breadboard, perf-board, or other project. We got ones with 0.4mm thick wires so they plug in nicely into solder-less breadboards.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: bold;\"\u003eTECHNICAL DETAILS\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/adafruit.com\/images\/product-files\/2780\/Resistor_Data_Sheet.pdf\" target=\"_blank\"\u003eResistor Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cstyle\u003e\n.product-copy{line-height:1.7}\n.product-copy \u003e * + *{margin-top:1rem}\n.product-copy h2{margin:1.4em 0 .6em}\n.product-copy p{margin:0 0 1em}\n.product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n.product-copy li{margin:.35em 0}\n.product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n.product-copy table th,\n.product-copy table td{border:1px solid #eee;padding:.6em .75em;text-align:left}\n.faq-list{margin:1.2rem 0 1.4rem}\n.faq{border:1px solid #e6e6e6;border-radius:12px;padding:.75rem 1rem;margin:.6rem 0;background:#fafafa}\n.faq summary{font-weight:600;cursor:pointer}\n@media (min-width:768px){ .product-copy{font-size:1.02rem} }\n\u003c\/style\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":45813712159009,"sku":"2783","price":19.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/products\/resistor-through-hole-4-7k-ohm-5-1-4w-pack-of-10-1009.jpg?v=1689672495"},{"product_id":"capacitor-aluminum-electrolytic-pack","title":"Electrolytic Capacitor Assortment 120pcs 12 Values 1-470uF","description":"\u003cdiv class=\"product-copy\"\u003e\n \u003cstyle\u003e\n .product-copy{line-height:1.7;color:#1f2937}\n .product-copy \u003e * + *{margin-top:1rem}\n .product-copy h2{margin:1.4em 0 .6em;color:#111827}\n .product-copy h3{margin:1.1em 0 .5em;color:#111827}\n .product-copy p{margin:0 0 1em}\n .product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n .product-copy li{margin:.35em 0}\n .product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n .product-copy table th,.product-copy table td{border:1px solid #e5e7eb;padding:.7em .8em;text-align:left;vertical-align:top}\n .product-copy table th{background:#f9fafb;width:32%}\n .faq-list{margin:1.2rem 0 1.4rem}\n .faq{border:1px solid #e5e7eb;border-radius:12px;padding:.85rem 1rem;margin:.6rem 0;background:#fafafa}\n .note{background:#f8fafc;border-left:4px solid #2563eb;padding:.85rem 1rem;border-radius:8px}\n \u003c\/style\u003e\n\n \u003ch2\u003eElectrolytic Capacitor Assortment Kit — 120PCS, 12 Values (1µF–470µF)\u003c\/h2\u003e\n\n \u003cp\u003e\n The \u003cstrong\u003e120PCS Electrolytic Capacitor Kit\u003c\/strong\u003e contains \u003cstrong\u003e12 common values from 1µF to 470µF\u003c\/strong\u003e,\n giving you a ready supply of capacitors for power filtering, decoupling, timing circuits, and audio applications.\n Each value includes 10 pieces, so you'll always have spares on hand.\n \u003c\/p\u003e\n\n \u003cdiv class=\"note\"\u003e\n \u003cstrong\u003eWhat capacitors do:\u003c\/strong\u003e Capacitors store and release electrical energy. In practice, they\n \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Decoupling_capacitor\" target=\"_blank\" rel=\"noopener\"\u003esmooth power supply ripple\u003c\/a\u003e,\n filter noise, set timing in RC circuits, couple\/decouple audio signals, and stabilize voltage regulators.\n \u003c\/div\u003e\n\n \u003ch3\u003eIncluded values\u003c\/h3\u003e\n \u003cp\u003e1µF, 2.2µF, 3.3µF, 4.7µF, 10µF, 22µF, 33µF, 47µF, 100µF, 150µF, 220µF, 470µF — 10 pieces each, 120 total.\u003c\/p\u003e\n\n \u003ch3\u003eCapacitor type comparison\u003c\/h3\u003e\n \u003ctable\u003e\n \u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003cth\u003eRange\u003c\/th\u003e\n\u003cth\u003ePolarity\u003c\/th\u003e\n\u003cth\u003eBest for\u003c\/th\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eElectrolytic (this kit)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1µF – 10,000µF+\u003c\/td\u003e\n\u003ctd\u003ePolarized (+ and −)\u003c\/td\u003e\n\u003ctd\u003ePower filtering, bulk storage, audio coupling\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eCeramic\u003c\/td\u003e\n\u003ctd\u003e1pF – 10µF\u003c\/td\u003e\n\u003ctd\u003eNon-polarized\u003c\/td\u003e\n\u003ctd\u003eHigh-frequency decoupling, timing, RF\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/search?q=super+capacitor\"\u003eSupercapacitor\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1F – 100F+\u003c\/td\u003e\n\u003ctd\u003ePolarized\u003c\/td\u003e\n\u003ctd\u003eEnergy storage, backup power, slow discharge\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/table\u003e\n\n \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n \u003ctable\u003e\n \u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eAluminum electrolytic\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eValues\u003c\/th\u003e\n\u003ctd\u003e12 values: 1µF to 470µF\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eTotal quantity\u003c\/th\u003e\n\u003ctd\u003e120 pieces (10 per value)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003ePolarity\u003c\/th\u003e\n\u003ctd\u003ePolarized (observe + and − markings)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/table\u003e\n\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdiv class=\"faq-list\"\u003e\n \u003cdiv class=\"faq\"\u003e\n\u003cstrong\u003eDo I need to worry about polarity?\u003c\/strong\u003e Yes. Electrolytic capacitors are polarized — the longer lead is positive. Reversing polarity can damage the capacitor or cause it to fail.\u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n\u003cstrong\u003eWhat voltage rating are these?\u003c\/strong\u003e Voltage ratings vary by value. Always check the markings on each capacitor and ensure the rated voltage exceeds your circuit voltage.\u003c\/div\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e","brand":"DFRobot","offers":[{"title":"Default Title","offer_id":45813763014945,"sku":"FIT0117","price":95.0,"currency_code":"PHP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/120pcs-12-value-1uf-470uf-electrolytic-capacitor-a35892.jpg?v=1778844593"},{"product_id":"buzzer-5v-breadboard-friendly","title":"Passive Buzzer Module for Arduino\/AVR\/PIC - Tone Output","description":"\u003cdiv class=\"product-copy\"\u003e\n\n\u003cp\u003eThis passive buzzer is one loud noisemaker. Unlike active buzzers and plain piezos, this buzzer does not need an oscillating signal to create sound. That is why it will automatically screech a 2KHz beep when applied to a 3-5V input voltage. \u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-weight: bold;\"\u003eSpecifications:\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eInput voltage: 3-5V\u003c\/li\u003e\n\u003cli\u003eSize: 26 x 15 x 10mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cspan style=\"font-weight: bold;\"\u003eLibrary: \u003c\/span\u003eNone\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: bold;\"\u003eInclusions: \u003c\/span\u003e1 x Passive Buzzer Module for Arduino AVR PIC\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: bold;\"\u003eDocuments: \u003c\/span\u003eNone\u003c\/p\u003e\n\n\u003c\/div\u003e\n\n\u003cstyle\u003e\n.product-copy{line-height:1.7}\n.product-copy \u003e * + *{margin-top:1rem}\n.product-copy h2{margin:1.4em 0 .6em}\n.product-copy p{margin:0 0 1em}\n.product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n.product-copy li{margin:.35em 0}\n.product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n.product-copy table th,\n.product-copy table td{border:1px solid #eee;padding:.6em .75em;text-align:left}\n.faq-list{margin:1.2rem 0 1.4rem}\n.faq{border:1px solid #e6e6e6;border-radius:12px;padding:.75rem 1rem;margin:.6rem 0;background:#fafafa}\n.faq summary{font-weight:600;cursor:pointer}\n@media (min-width:768px){ .product-copy{font-size:1.02rem} }\n\u003c\/style\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":45813780414753,"sku":"AB279","price":35.0,"currency_code":"PHP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/buzzer-5v-breadboard-friendly-white.jpg?v=1778911950"},{"product_id":"motor-driver-ic-sn754410","title":"Pololu Motor Driver IC SN754410 - DIP-16 Quad Half-H","description":"\u003cdiv class=\"product-copy\"\u003e\n \u003cstyle\u003e\n .product-copy{line-height:1.7;color:#1f2937}\n .product-copy \u003e * + *{margin-top:1rem}\n .product-copy h2{margin:1.4em 0 .6em;color:#111827}\n .product-copy h3{margin:1.1em 0 .5em;color:#111827}\n .product-copy p{margin:0 0 1em}\n .product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n .product-copy li{margin:.35em 0}\n .product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n .product-copy table th,.product-copy table td{border:1px solid #e5e7eb;padding:.7em .8em;text-align:left;vertical-align:top}\n .product-copy table th{background:#f9fafb;width:32%}\n .faq-list{margin:1.2rem 0 1.4rem}\n .faq{border:1px solid #e5e7eb;border-radius:12px;padding:.85rem 1rem;margin:.6rem 0;background:#fafafa}\n .note{background:#f8fafc;border-left:4px solid #2563eb;padding:.85rem 1rem;border-radius:8px}\n \u003c\/style\u003e\n\n \u003ch2\u003eStronger DC Motor Control for Robot Cars and Motion Projects\u003c\/h2\u003e\n\n \u003cp\u003e\n The \u003cstrong\u003eMotor Driver IC SN754410\u003c\/strong\u003e is a practical \u003cstrong\u003emotor driver\u003c\/strong\u003e from \u003cstrong\u003eCircuitrocks\u003c\/strong\u003e for students, makers, and repair-friendly builds. It fits well in projects that need DC motor speed and direction control, while keeping setup straightforward for testing and prototype work.\n \u003c\/p\u003e\n\n \u003cp\u003e\n Compared with generic parts, this product stands out through details such as \u003cstrong\u003emotor driver\u003c\/strong\u003e. That makes it a solid choice for Arduino, ESP32, Raspberry Pi, robotics, motion-control, and workshop projects where matching the right part from the start saves time.\n \u003c\/p\u003e\n\n \u003cdiv class=\"note\"\u003e\n \u003cstrong\u003eImportant:\u003c\/strong\u003e Always match the electrical rating, size, and control method of this part with the rest of your setup before full-power testing.\n \u003c\/div\u003e\n\n \u003ch3\u003eWhy you'll love it\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eDirection and speed control:\u003c\/strong\u003e adds useful value when choosing parts for a build\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFits robot and motor projects:\u003c\/strong\u003e adds useful value when choosing parts for a build\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUseful with external motor power:\u003c\/strong\u003e adds useful value when choosing parts for a build\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eGood for two-wheel or dual-motor setups:\u003c\/strong\u003e adds useful value when choosing parts for a build\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhat you can build\u003c\/h3\u003e\n \u003cp\u003e\n This product is a good fit for robot cars, conveyors, wheel drives, pumps, and other DC motor projects that need speed and direction control. It works especially well in student projects, quick repairs, and prototype builds where part availability, straightforward hookup, and predictable results matter.\n \u003c\/p\u003e\n\n \u003ch3\u003eStarter bundles\u003c\/h3\u003e\n \u003cp\u003e\n A practical starter bundle includes a controller board, a matching DC motor, a suitable external motor supply, and a battery or bench power source.\n \u003c\/p\u003e\n\n \u003ch3\u003eRecommended add-ons\u003c\/h3\u003e\n \u003cp\u003e\n Useful add-ons include matching DC motors, wheels, chassis kits, and external power supplies sized for your load. You can also compare it with \u003ca href=\"https:\/\/circuit.rocks\/products\/high-power-motor-driver-18v25-pololu\"\u003ePololu High-Power Motor Driver 18v25 - 30A Brushed DC Motor Driver\u003c\/a\u003e, \u003ca href=\"https:\/\/circuit.rocks\/products\/high-power-motor-driver-18v25-cs-pololu\"\u003ePololu High-Power Motor Driver 18v25 CS - Current-Sensing H-Bridge\u003c\/a\u003e.\n \u003c\/p\u003e\n\n \u003ch3\u003eComparison table\u003c\/h3\u003e\n \u003ctable\u003e\n \u003ctr\u003e\n\u003cth\u003eCompared Product\u003c\/th\u003e\n\u003cth\u003eBest For\u003c\/th\u003e\n\u003cth\u003eKey Difference\u003c\/th\u003e\n\u003cth\u003eDirect Link\u003c\/th\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/circuit.rocks\/products\/high-power-motor-driver-18v25-pololu\"\u003ePololu High-Power Motor Driver 18v25 - 30A Brushed DC Motor Driver\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003ehigher-current motors\u003c\/td\u003e\n\u003ctd\u003e30A, high power\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/circuit.rocks\/products\/high-power-motor-driver-18v25-pololu\"\u003eView product\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/circuit.rocks\/products\/high-power-motor-driver-18v25-cs-pololu\"\u003ePololu High-Power Motor Driver 18v25 CS - Current-Sensing H-Bridge\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003ehigher-current motors\u003c\/td\u003e\n\u003ctd\u003ehigh power\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/circuit.rocks\/products\/high-power-motor-driver-18v25-cs-pololu\"\u003eView product\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/circuit.rocks\/products\/high-power-motor-driver-24v23-cs-pololu\"\u003ePololu High-Power Motor Driver 24v23 CS - Current-Sensing H-Bridge\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003ehigher-current motors\u003c\/td\u003e\n\u003ctd\u003ehigh power\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/circuit.rocks\/products\/high-power-motor-driver-24v23-cs-pololu\"\u003eView product\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/table\u003e\n\n \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n \u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eProduct\u003c\/th\u003e\n \u003ctd\u003eMotor Driver IC SN754410\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003ctd\u003eCircuitrocks\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eProduct Type\u003c\/th\u003e\n \u003ctd\u003eMotor Driver\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003ePrimary SKU\u003c\/th\u003e\n \u003ctd\u003ePOL24\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eKey Specs\u003c\/th\u003e\n \u003ctd\u003e1A, 600mA, 36V, 1.2A, 10.8V, 3.2A\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eProduct URL\u003c\/th\u003e\n \u003ctd\u003ehttps:\/\/circuit.rocks\/products\/motor-driver-ic-sn754410\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/table\u003e\n\n \u003ch3\u003ePinout \u0026amp; power notes\u003c\/h3\u003e\n \u003cp\u003e\n Keep the controller ground and motor-driver ground common, then match the motor supply to the driver and motor rating. Use PWM-capable pins if you want speed control.\n \u003c\/p\u003e\n\n \u003ch3\u003eWhat’s in the box\u003c\/h3\u003e\n \u003cp\u003e\n 1 × Motor Driver IC SN754410\n \u003c\/p\u003e\n\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdiv class=\"faq-list\"\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eCan this work with Arduino or similar boards?\u003c\/strong\u003e\n Yes, as long as the voltage, control method, and wiring match your controller and power supply.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eShould I power it directly from a controller pin?\u003c\/strong\u003e\n For small signal-only modules that may be fine, but motors, pumps, solenoids, and relays should use a proper driver or external supply.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eIs this good for student and prototype builds?\u003c\/strong\u003e\n Yes. It fits well in testing, learning, and proof-of-concept projects when matched with the right support parts.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eHow do I choose the right version?\u003c\/strong\u003e\n Check the size, voltage, torque, speed, current, and fit details that matter most for your project.\n \u003c\/div\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Pololu","offers":[{"title":"Default Title","offer_id":45813892874529,"sku":"POL24","price":59.0,"currency_code":"PHP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/motor-driver-ic-sn754410-hires.jpg?v=1778921508"},{"product_id":"led-3mm-dual-color-red-green-common-anode-5pcs","title":"Dual-Color LED 3mm Red\/Blue Common Anode 5pcs","description":"\u003cdiv class=\"product-copy\"\u003e\n \u003cstyle\u003e\n .product-copy{line-height:1.7;color:#1f2937}\n .product-copy \u003e * + *{margin-top:1rem}\n .product-copy h2{margin:1.4em 0 .6em;color:#111827}\n .product-copy h3{margin:1.1em 0 .5em;color:#111827}\n .product-copy p{margin:0 0 1em}\n .product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n .product-copy li{margin:.35em 0}\n .product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n .product-copy table th,.product-copy table td{border:1px solid #e5e7eb;padding:.7em .8em;text-align:left;vertical-align:top}\n .product-copy table th{background:#f9fafb;width:32%}\n .faq-list{margin:1.2rem 0 1.4rem}\n .faq{border:1px solid #e5e7eb;border-radius:12px;padding:.85rem 1rem;margin:.6rem 0;background:#fafafa}\n .note{background:#f8fafc;border-left:4px solid #2563eb;padding:.85rem 1rem;border-radius:8px}\n \u003c\/style\u003e\n\n \u003ch2\u003eReliable LED Parts for Indicators, Lighting, and DIY Builds\u003c\/h2\u003e\n\n \u003cp\u003eThe \u003cstrong\u003eLED 3mm Dual Color Red \/ Blue Common Anode 5PCS\u003c\/strong\u003e is a useful LED part for electronics, indicators, learning projects, and visual feedback in DIY builds. It is a simple way to add color, status signals, or light effects to a circuit.\u003c\/p\u003e\n\n \u003cp\u003eWhether you are building a beginner project or stocking up on common parts, LEDs like this are a staple for prototyping and repair work. They pair well with breadboards, resistors, and maker boards.\u003c\/p\u003e\n \u003ch3\u003eWhy you'll love it\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eGreat for indicators:\u003c\/strong\u003e Useful for power, status, and signal lights\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eEasy to use in prototyping:\u003c\/strong\u003e A common starter part for electronics work\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUseful for learning builds:\u003c\/strong\u003e Good for school, hobby, and DIY projects\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eVersatile LED stock:\u003c\/strong\u003e Handy for repairs, testing, and custom circuits\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSimple but useful part:\u003c\/strong\u003e Great for labs, classes, and bench work\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhat you can build\u003c\/h3\u003e\n \u003cp\u003eUse it for indicator lights, learning circuits, traffic-light demos, simple displays, breadboard projects, and DIY electronics practice.\u003c\/p\u003e\n\n \u003ch3\u003eStarter bundles\u003c\/h3\u003e\n \u003cp\u003ePair it with \u003ca href=\"\/search?q=resistor\"\u003eresistors\u003c\/a\u003e, \u003ca href=\"\/search?q=breadboard\"\u003ebreadboards\u003c\/a\u003e, \u003ca href=\"\/search?q=jumper+wires\"\u003ejumper wires\u003c\/a\u003e, and \u003ca href=\"\/search?q=arduino+starter+kit\"\u003eArduino-compatible boards\u003c\/a\u003e for quick circuit work.\u003c\/p\u003e\n\n \u003ch3\u003eRecommended add-ons\u003c\/h3\u003e\n \u003cp\u003eHelpful add-ons include \u003ca href=\"\/search?q=transistor\"\u003etransistors\u003c\/a\u003e, \u003ca href=\"\/search?q=push+button\"\u003epush buttons\u003c\/a\u003e, \u003ca href=\"\/search?q=battery+holder\"\u003ebattery holders\u003c\/a\u003e, and \u003ca href=\"\/search?q=soldering+tools\"\u003esoldering tools\u003c\/a\u003e depending on your project.\u003c\/p\u003e\n\n \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n \u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eProduct\u003c\/th\u003e\n \u003ctd\u003eLED 3mm Dual Color Red \/ Blue Common Anode 5PCS\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eColor \/ light type\u003c\/th\u003e\n \u003ctd\u003eRed, Blue\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003ePack quantity\u003c\/th\u003e\n \u003ctd\u003e5 pcs\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eLED type\u003c\/th\u003e\n \u003ctd\u003eCommon anode\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/table\u003e\n\n \u003ch3\u003ePinout \u0026amp; usage notes\u003c\/h3\u003e\n \u003cp\u003eAlways use the proper current-limiting resistor when wiring standard LEDs unless the module already includes the required drive circuit.\u003c\/p\u003e\n\n \u003ch3\u003eWhat’s in the box\u003c\/h3\u003e\n \u003cp\u003e1 × LED pack or module as named in the title.\u003c\/p\u003e\n\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdiv class=\"faq-list\"\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eCan I use this on a breadboard?\u003c\/strong\u003e\n Yes. Many LED parts in this category are suitable for breadboard and learning use.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eDo I need a resistor?\u003c\/strong\u003e\n For standard LEDs, yes, a proper current-limiting resistor is usually required.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eIs this good for Arduino projects?\u003c\/strong\u003e\n Yes. LEDs are commonly used for status lights, effects, and learning demos.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eWhat can I build with this?\u003c\/strong\u003e\n You can use it for indicator lights, light effects, counters, and many beginner circuits.\n \u003c\/div\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":45813918105889,"sku":"CLB30003A","price":19.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/led-3mm-dual-color-red-green-common-anode-5pcs-white.jpg?v=1778911651"},{"product_id":"led-5mm-dual-color-red-green-common-cathode-5pcs","title":"Dual-Color LED 5mm Red\/Green Common Cathode 5pcs","description":"\u003cdiv class=\"product-copy\"\u003e\n \u003cstyle\u003e\n .product-copy{line-height:1.7;color:#1f2937}\n .product-copy \u003e * + *{margin-top:1rem}\n .product-copy h2{margin:1.4em 0 .6em;color:#111827}\n .product-copy h3{margin:1.1em 0 .5em;color:#111827}\n .product-copy p{margin:0 0 1em}\n .product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n .product-copy li{margin:.35em 0}\n .product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n .product-copy table th,.product-copy table td{border:1px solid #e5e7eb;padding:.7em .8em;text-align:left;vertical-align:top}\n .product-copy table th{background:#f9fafb;width:32%}\n .faq-list{margin:1.2rem 0 1.4rem}\n .faq{border:1px solid #e5e7eb;border-radius:12px;padding:.85rem 1rem;margin:.6rem 0;background:#fafafa}\n .note{background:#f8fafc;border-left:4px solid #2563eb;padding:.85rem 1rem;border-radius:8px}\n \u003c\/style\u003e\n\n \u003ch2\u003eReliable LED Parts for Indicators, Lighting, and DIY Builds\u003c\/h2\u003e\n\n \u003cp\u003eThe \u003cstrong\u003eLED 5mm Dual Color Red \/ Green Common Cathode 5PCS\u003c\/strong\u003e is a useful LED part for electronics, indicators, learning projects, and visual feedback in DIY builds. It is a simple way to add color, status signals, or light effects to a circuit.\u003c\/p\u003e\n\n \u003cp\u003eWhether you are building a beginner project or stocking up on common parts, LEDs like this are a staple for prototyping and repair work. They pair well with breadboards, resistors, and maker boards.\u003c\/p\u003e\n \u003ch3\u003eWhy you'll love it\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eGreat for indicators:\u003c\/strong\u003e Useful for power, status, and signal lights\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eEasy to use in prototyping:\u003c\/strong\u003e A common starter part for electronics work\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUseful for learning builds:\u003c\/strong\u003e Good for school, hobby, and DIY projects\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eVersatile LED stock:\u003c\/strong\u003e Handy for repairs, testing, and custom circuits\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSimple but useful part:\u003c\/strong\u003e Great for labs, classes, and bench work\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhat you can build\u003c\/h3\u003e\n \u003cp\u003eUse it for indicator lights, learning circuits, traffic-light demos, simple displays, breadboard projects, and DIY electronics practice.\u003c\/p\u003e\n\n \u003ch3\u003eStarter bundles\u003c\/h3\u003e\n \u003cp\u003ePair it with \u003ca href=\"\/search?q=resistor\"\u003eresistors\u003c\/a\u003e, \u003ca href=\"\/search?q=breadboard\"\u003ebreadboards\u003c\/a\u003e, \u003ca href=\"\/search?q=jumper+wires\"\u003ejumper wires\u003c\/a\u003e, and \u003ca href=\"\/search?q=arduino+starter+kit\"\u003eArduino-compatible boards\u003c\/a\u003e for quick circuit work.\u003c\/p\u003e\n\n \u003ch3\u003eRecommended add-ons\u003c\/h3\u003e\n \u003cp\u003eHelpful add-ons include \u003ca href=\"\/search?q=transistor\"\u003etransistors\u003c\/a\u003e, \u003ca href=\"\/search?q=push+button\"\u003epush buttons\u003c\/a\u003e, \u003ca href=\"\/search?q=battery+holder\"\u003ebattery holders\u003c\/a\u003e, and \u003ca href=\"\/search?q=soldering+tools\"\u003esoldering tools\u003c\/a\u003e depending on your project.\u003c\/p\u003e\n\n \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n \u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eProduct\u003c\/th\u003e\n \u003ctd\u003eLED 5mm Dual Color Red \/ Green Common Cathode 5PCS\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eColor \/ light type\u003c\/th\u003e\n \u003ctd\u003eRed, Green\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003ePack quantity\u003c\/th\u003e\n \u003ctd\u003e5 pcs\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eLED type\u003c\/th\u003e\n \u003ctd\u003eCommon cathode\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/table\u003e\n\n \u003ch3\u003ePinout \u0026amp; usage notes\u003c\/h3\u003e\n \u003cp\u003eAlways use the proper current-limiting resistor when wiring standard LEDs unless the module already includes the required drive circuit.\u003c\/p\u003e\n\n \u003ch3\u003eWhat’s in the box\u003c\/h3\u003e\n \u003cp\u003e1 × LED pack or module as named in the title.\u003c\/p\u003e\n\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdiv class=\"faq-list\"\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eCan I use this on a breadboard?\u003c\/strong\u003e\n Yes. Many LED parts in this category are suitable for breadboard and learning use.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eDo I need a resistor?\u003c\/strong\u003e\n For standard LEDs, yes, a proper current-limiting resistor is usually required.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eIs this good for Arduino projects?\u003c\/strong\u003e\n Yes. LEDs are commonly used for status lights, effects, and learning demos.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eWhat can I build with this?\u003c\/strong\u003e\n You can use it for indicator lights, light effects, counters, and many beginner circuits.\n \u003c\/div\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":45813919744289,"sku":"CLB50003B","price":35.0,"currency_code":"PHP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/led-5mm-dual-color-red-green-common-cathode-5pcs-hires.jpg?v=1778921141"},{"product_id":"buzzer-3v-5v-passive-5pcs","title":"Active Buzzer 3V\/5V - 5pcs Through-Hole Audible Alert","description":"\u003cdiv class=\"product-copy\"\u003e\n \u003cstyle\u003e\n .product-copy{line-height:1.7;color:#1f2937}\n .product-copy \u003e * + *{margin-top:1rem}\n .product-copy h2{margin:1.4em 0 .6em;color:#111827}\n .product-copy h3{margin:1.1em 0 .5em;color:#111827}\n .product-copy p{margin:0 0 1em}\n .product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n .product-copy li{margin:.35em 0}\n .product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n .product-copy table th,.product-copy table td{border:1px solid #e5e7eb;padding:.7em .8em;text-align:left;vertical-align:top}\n .product-copy table th{background:#f9fafb;width:32%}\n .faq-list{margin:1.2rem 0 1.4rem}\n .faq{border:1px solid #e5e7eb;border-radius:12px;padding:.85rem 1rem;margin:.6rem 0;background:#fafafa}\n .note{background:#f8fafc;border-left:4px solid #2563eb;padding:.85rem 1rem;border-radius:8px}\n \u003c\/style\u003e\n\n \u003ch2\u003eActive Buzzer 3V\/5V — 5-Piece Pack\u003c\/h2\u003e\n \u003cp\u003eThe \u003cstrong\u003eActive Buzzer 3V\/5V (5PCS)\u003c\/strong\u003e is the simplest way to add sound to your project. An active buzzer contains a built-in oscillator, so you just apply DC voltage and it beeps — no frequency generation needed from your microcontroller. Ideal for alarms, button feedback, timer alerts, and notification sounds.\u003c\/p\u003e\n \u003ch3\u003eActive vs passive buzzers\u003c\/h3\u003e\n \u003ctable\u003e\n \u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003cth\u003eHow it works\u003c\/th\u003e\n\u003cth\u003ePros\u003c\/th\u003e\n\u003cth\u003eCons\u003c\/th\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActive (this)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBuilt-in oscillator — apply voltage and it beeps\u003c\/td\u003e\n\u003ctd\u003eSimple, one fixed tone\u003c\/td\u003e\n\u003ctd\u003eCan't change frequency\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/search?q=piezo+buzzer\"\u003ePassive \/ Piezo\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eNeeds external frequency signal (PWM)\u003c\/td\u003e\n\u003ctd\u003ePlay melodies, variable tones\u003c\/td\u003e\n\u003ctd\u003eRequires PWM from MCU\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/table\u003e\n \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n \u003ctable\u003e\n \u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eActive (built-in oscillator)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003ctd\u003e3–5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003ctd\u003e5 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/table\u003e\n\u003c\/div\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":45813921874209,"sku":"2394","price":75.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/products\/buzzer-3v-5v-active-5pcs-1192.jpg?v=1689673223"},{"product_id":"led-5mm-dual-color-red-green-common-anode-5pcs","title":"Dual-Color LED 5mm Red\/Green Common Anode 5pcs","description":"\u003cdiv class=\"product-copy\"\u003e\n \u003cstyle\u003e\n .product-copy{line-height:1.7;color:#1f2937}\n .product-copy \u003e * + *{margin-top:1rem}\n .product-copy h2{margin:1.4em 0 .6em;color:#111827}\n .product-copy h3{margin:1.1em 0 .5em;color:#111827}\n .product-copy p{margin:0 0 1em}\n .product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n .product-copy li{margin:.35em 0}\n .product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n .product-copy table th,.product-copy table td{border:1px solid #e5e7eb;padding:.7em .8em;text-align:left;vertical-align:top}\n .product-copy table th{background:#f9fafb;width:32%}\n .faq-list{margin:1.2rem 0 1.4rem}\n .faq{border:1px solid #e5e7eb;border-radius:12px;padding:.85rem 1rem;margin:.6rem 0;background:#fafafa}\n .note{background:#f8fafc;border-left:4px solid #2563eb;padding:.85rem 1rem;border-radius:8px}\n \u003c\/style\u003e\n\n \u003ch2\u003eReliable LED Parts for Indicators, Lighting, and DIY Builds\u003c\/h2\u003e\n\n \u003cp\u003eThe \u003cstrong\u003eLED 5mm Dual Color Red Green Common Anode 5PCS\u003c\/strong\u003e is a useful LED part for electronics, indicators, learning projects, and visual feedback in DIY builds. It is a simple way to add color, status signals, or light effects to a circuit.\u003c\/p\u003e\n\n \u003cp\u003eWhether you are building a beginner project or stocking up on common parts, LEDs like this are a staple for prototyping and repair work. They pair well with breadboards, resistors, and maker boards.\u003c\/p\u003e\n \u003ch3\u003eWhy you'll love it\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eGreat for indicators:\u003c\/strong\u003e Useful for power, status, and signal lights\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eEasy to use in prototyping:\u003c\/strong\u003e A common starter part for electronics work\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUseful for learning builds:\u003c\/strong\u003e Good for school, hobby, and DIY projects\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eVersatile LED stock:\u003c\/strong\u003e Handy for repairs, testing, and custom circuits\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSimple but useful part:\u003c\/strong\u003e Great for labs, classes, and bench work\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhat you can build\u003c\/h3\u003e\n \u003cp\u003eUse it for indicator lights, learning circuits, traffic-light demos, simple displays, breadboard projects, and DIY electronics practice.\u003c\/p\u003e\n\n \u003ch3\u003eStarter bundles\u003c\/h3\u003e\n \u003cp\u003ePair it with \u003ca href=\"\/search?q=resistor\"\u003eresistors\u003c\/a\u003e, \u003ca href=\"\/search?q=breadboard\"\u003ebreadboards\u003c\/a\u003e, \u003ca href=\"\/search?q=jumper+wires\"\u003ejumper wires\u003c\/a\u003e, and \u003ca href=\"\/search?q=arduino+starter+kit\"\u003eArduino-compatible boards\u003c\/a\u003e for quick circuit work.\u003c\/p\u003e\n\n \u003ch3\u003eRecommended add-ons\u003c\/h3\u003e\n \u003cp\u003eHelpful add-ons include \u003ca href=\"\/search?q=transistor\"\u003etransistors\u003c\/a\u003e, \u003ca href=\"\/search?q=push+button\"\u003epush buttons\u003c\/a\u003e, \u003ca href=\"\/search?q=battery+holder\"\u003ebattery holders\u003c\/a\u003e, and \u003ca href=\"\/search?q=soldering+tools\"\u003esoldering tools\u003c\/a\u003e depending on your project.\u003c\/p\u003e\n\n \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n \u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eProduct\u003c\/th\u003e\n \u003ctd\u003eLED 5mm Dual Color Red Green Common Anode 5PCS\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eColor \/ light type\u003c\/th\u003e\n \u003ctd\u003eRed, Green\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003ePack quantity\u003c\/th\u003e\n \u003ctd\u003e5 pcs\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eLED type\u003c\/th\u003e\n \u003ctd\u003eCommon anode\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/table\u003e\n\n \u003ch3\u003ePinout \u0026amp; usage notes\u003c\/h3\u003e\n \u003cp\u003eAlways use the proper current-limiting resistor when wiring standard LEDs unless the module already includes the required drive circuit.\u003c\/p\u003e\n\n \u003ch3\u003eWhat’s in the box\u003c\/h3\u003e\n \u003cp\u003e1 × LED pack or module as named in the title.\u003c\/p\u003e\n\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdiv class=\"faq-list\"\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eCan I use this on a breadboard?\u003c\/strong\u003e\n Yes. Many LED parts in this category are suitable for breadboard and learning use.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eDo I need a resistor?\u003c\/strong\u003e\n For standard LEDs, yes, a proper current-limiting resistor is usually required.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eIs this good for Arduino projects?\u003c\/strong\u003e\n Yes. LEDs are commonly used for status lights, effects, and learning demos.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eWhat can I build with this?\u003c\/strong\u003e\n You can use it for indicator lights, light effects, counters, and many beginner circuits.\n \u003c\/div\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":45813923840289,"sku":"CLB50003A","price":35.0,"currency_code":"PHP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/led-5mm-dual-color-red-green-common-anode-5pcs-hires.jpg?v=1778921139"},{"product_id":"led-3mm-dual-color-red-green-common-cathode-5pcs","title":"Dual-Color LED 3mm Red\/Green Common Cathode 5pcs","description":"\u003cdiv class=\"product-copy\"\u003e\n \u003cstyle\u003e\n .product-copy{line-height:1.7;color:#1f2937}\n .product-copy \u003e * + *{margin-top:1rem}\n .product-copy h2{margin:1.4em 0 .6em;color:#111827}\n .product-copy h3{margin:1.1em 0 .5em;color:#111827}\n .product-copy p{margin:0 0 1em}\n .product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n .product-copy li{margin:.35em 0}\n .product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n .product-copy table th,.product-copy table td{border:1px solid #e5e7eb;padding:.7em .8em;text-align:left;vertical-align:top}\n .product-copy table th{background:#f9fafb;width:32%}\n .faq-list{margin:1.2rem 0 1.4rem}\n .faq{border:1px solid #e5e7eb;border-radius:12px;padding:.85rem 1rem;margin:.6rem 0;background:#fafafa}\n .note{background:#f8fafc;border-left:4px solid #2563eb;padding:.85rem 1rem;border-radius:8px}\n \u003c\/style\u003e\n\n \u003ch2\u003eReliable LED Parts for Indicators, Lighting, and DIY Builds\u003c\/h2\u003e\n\n \u003cp\u003eThe \u003cstrong\u003eLED 3mm Dual Color Red \/ Green Common Cathode 5PCS\u003c\/strong\u003e is a useful LED part for electronics, indicators, learning projects, and visual feedback in DIY builds. It is a simple way to add color, status signals, or light effects to a circuit.\u003c\/p\u003e\n\n \u003cp\u003eWhether you are building a beginner project or stocking up on common parts, LEDs like this are a staple for prototyping and repair work. They pair well with breadboards, resistors, and maker boards.\u003c\/p\u003e\n \u003ch3\u003eWhy you'll love it\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eGreat for indicators:\u003c\/strong\u003e Useful for power, status, and signal lights\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eEasy to use in prototyping:\u003c\/strong\u003e A common starter part for electronics work\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUseful for learning builds:\u003c\/strong\u003e Good for school, hobby, and DIY projects\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eVersatile LED stock:\u003c\/strong\u003e Handy for repairs, testing, and custom circuits\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSimple but useful part:\u003c\/strong\u003e Great for labs, classes, and bench work\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhat you can build\u003c\/h3\u003e\n \u003cp\u003eUse it for indicator lights, learning circuits, traffic-light demos, simple displays, breadboard projects, and DIY electronics practice.\u003c\/p\u003e\n\n \u003ch3\u003eStarter bundles\u003c\/h3\u003e\n \u003cp\u003ePair it with \u003ca href=\"\/search?q=resistor\"\u003eresistors\u003c\/a\u003e, \u003ca href=\"\/search?q=breadboard\"\u003ebreadboards\u003c\/a\u003e, \u003ca href=\"\/search?q=jumper+wires\"\u003ejumper wires\u003c\/a\u003e, and \u003ca href=\"\/search?q=arduino+starter+kit\"\u003eArduino-compatible boards\u003c\/a\u003e for quick circuit work.\u003c\/p\u003e\n\n \u003ch3\u003eRecommended add-ons\u003c\/h3\u003e\n \u003cp\u003eHelpful add-ons include \u003ca href=\"\/search?q=transistor\"\u003etransistors\u003c\/a\u003e, \u003ca href=\"\/search?q=push+button\"\u003epush buttons\u003c\/a\u003e, \u003ca href=\"\/search?q=battery+holder\"\u003ebattery holders\u003c\/a\u003e, and \u003ca href=\"\/search?q=soldering+tools\"\u003esoldering tools\u003c\/a\u003e depending on your project.\u003c\/p\u003e\n\n \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n \u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eProduct\u003c\/th\u003e\n \u003ctd\u003eLED 3mm Dual Color Red \/ Green Common Cathode 5PCS\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eColor \/ light type\u003c\/th\u003e\n \u003ctd\u003eRed, Green\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003ePack quantity\u003c\/th\u003e\n \u003ctd\u003e5 pcs\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eLED type\u003c\/th\u003e\n \u003ctd\u003eCommon cathode\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/table\u003e\n\n \u003ch3\u003ePinout \u0026amp; usage notes\u003c\/h3\u003e\n \u003cp\u003eAlways use the proper current-limiting resistor when wiring standard LEDs unless the module already includes the required drive circuit.\u003c\/p\u003e\n\n \u003ch3\u003eWhat’s in the box\u003c\/h3\u003e\n \u003cp\u003e1 × LED pack or module as named in the title.\u003c\/p\u003e\n\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdiv class=\"faq-list\"\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eCan I use this on a breadboard?\u003c\/strong\u003e\n Yes. Many LED parts in this category are suitable for breadboard and learning use.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eDo I need a resistor?\u003c\/strong\u003e\n For standard LEDs, yes, a proper current-limiting resistor is usually required.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eIs this good for Arduino projects?\u003c\/strong\u003e\n Yes. LEDs are commonly used for status lights, effects, and learning demos.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eWhat can I build with this?\u003c\/strong\u003e\n You can use it for indicator lights, light effects, counters, and many beginner circuits.\n \u003c\/div\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":45813924823329,"sku":"CLB30003B","price":15.0,"currency_code":"PHP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/led-3mm-dual-color-red-green-common-cathode-5pcs-white.jpg?v=1778911651"},{"product_id":"ir-receiver-diode","title":"IR Infrared LED 5mm 940nm 5pcs - 940nm Emitter Pack","description":"\u003cdiv class=\"product-copy\"\u003e\n\n\u003cp\u003eAn IR (Infrared Receiving) Diode regulates current flow by allowing current to pass only if it detects IR rays. The amount of current it allows depends on the intensity of the IR rays, which value can be obtained using analogRead in Arduino devices. This characteristic makes IR diodes common in motion detection devices. They are also used in line follower robots and televisions. \u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-weight: 700;\"\u003eSpecifications:\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eDominant Wavelength: 940nm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eEmitted Color:  Infrared Receiving\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eForward Voltage (V) : 1.27-1.4V\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eReverse Current:10uA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eLibrary: \u003c\/span\u003eNone\u003cbr\u003e\u003cspan style=\"font-weight: bold;\"\u003eInclusions: \u003c\/span\u003e5 x IR LED 5mm 940nm\u003cbr\u003e\u003cspan style=\"font-weight: bold;\"\u003eDocuments: \u003c\/span\u003eNone\u003cbr\u003e\n\u003c\/div\u003e\n\n\u003cstyle\u003e\n.product-copy{line-height:1.7}\n.product-copy \u003e * + *{margin-top:1rem}\n.product-copy h2{margin:1.4em 0 .6em}\n.product-copy p{margin:0 0 1em}\n.product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n.product-copy li{margin:.35em 0}\n.product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n.product-copy table th,\n.product-copy table td{border:1px solid #eee;padding:.6em .75em;text-align:left}\n.faq-list{margin:1.2rem 0 1.4rem}\n.faq{border:1px solid #e6e6e6;border-radius:12px;padding:.75rem 1rem;margin:.6rem 0;background:#fafafa}\n.faq summary{font-weight:600;cursor:pointer}\n@media (min-width:768px){ .product-copy{font-size:1.02rem} }\n\u003c\/style\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":45813971681569,"sku":"AJ182","price":35.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/ir-receiver-diode-hires.jpg?v=1778921425"},{"product_id":"capacitor-4v-680uf-8x8mm","title":"Capacitor 4V 680uF 10pcs - Low-Voltage Tantalum","description":"\u003cdiv class=\"product-copy\"\u003e\n \u003cstyle\u003e\n .product-copy{line-height:1.7;color:#1f2937}\n .product-copy \u003e * + *{margin-top:1rem}\n .product-copy h2{margin:1.4em 0 .6em;color:#111827}\n .product-copy h3{margin:1.1em 0 .5em;color:#111827}\n .product-copy p{margin:0 0 1em}\n .product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n .product-copy li{margin:.35em 0}\n .product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n .product-copy table th,.product-copy table td{border:1px solid #e5e7eb;padding:.7em .8em;text-align:left;vertical-align:top}\n .product-copy table th{background:#f9fafb;width:32%}\n .faq-list{margin:1.2rem 0 1.4rem}\n .faq{border:1px solid #e5e7eb;border-radius:12px;padding:.85rem 1rem;margin:.6rem 0;background:#fafafa}\n .note{background:#f8fafc;border-left:4px solid #2563eb;padding:.85rem 1rem;border-radius:8px}\n \u003c\/style\u003e\n\n \u003ch2\u003eElectrolytic Capacitor 4V 680µF — Pack of 10\u003c\/h2\u003e\n\n \u003cp\u003e\n The \u003cstrong\u003eElectrolytic Capacitor 4V 680µF (Pack of 10)\u003c\/strong\u003e is a polarized aluminum electrolytic capacitor\n rated for \u003cstrong\u003e4V\u003c\/strong\u003e maximum and \u003cstrong\u003e680µF\u003c\/strong\u003e capacitance. A common value for power filtering, decoupling, and audio coupling in electronic projects.\n \u003c\/p\u003e\n\n \u003cdiv class=\"note\"\u003e\n \u003cstrong\u003eVoltage rule:\u003c\/strong\u003e Always use a capacitor rated for at least \u003cstrong\u003e1.5× to 2×\u003c\/strong\u003e your actual circuit voltage.\n This 4V cap is safe for circuits up to ~2V for reliable, long-term operation.\n \u003c\/div\u003e\n\n \u003ch3\u003eCommon uses for 680µF capacitors\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003ePower supply filtering:\u003c\/strong\u003e Smooth rectified DC and reduce ripple\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDecoupling:\u003c\/strong\u003e Provide local energy reserves near ICs and voltage regulators\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eAudio coupling:\u003c\/strong\u003e Block DC while passing audio signals between amplifier stages\u003c\/li\u003e\n \n \u003c\/ul\u003e\n\n \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n \u003ctable\u003e\n \u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eAluminum electrolytic (polarized)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eCapacitance\u003c\/th\u003e\n\u003ctd\u003e680 µF\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eVoltage rating\u003c\/th\u003e\n\u003ctd\u003e4V\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003ctd\u003e10 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003ePolarity\u003c\/th\u003e\n\u003ctd\u003ePolarized — observe +\/− markings\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/table\u003e\n\u003c\/div\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":45814150955297,"sku":"AB668","price":55.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/capacitor-4v-680uf-8x8mm-hires.jpg?v=1778921075"},{"product_id":"piezoelectric-disk-buzzer-transducers","title":"Piezo Disk Buzzer Transducers 35mm - 10pcs Bare Elements","description":"\u003cdiv class=\"product-copy\"\u003e\n \u003cstyle\u003e\n .product-copy{line-height:1.7;color:#1f2937}\n .product-copy \u003e * + *{margin-top:1rem}\n .product-copy h2{margin:1.4em 0 .6em;color:#111827}\n .product-copy h3{margin:1.1em 0 .5em;color:#111827}\n .product-copy p{margin:0 0 1em}\n .product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n .product-copy li{margin:.35em 0}\n .product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n .product-copy table th,.product-copy table td{border:1px solid #e5e7eb;padding:.7em .8em;text-align:left;vertical-align:top}\n .product-copy table th{background:#f9fafb;width:32%}\n .faq-list{margin:1.2rem 0 1.4rem}\n .faq{border:1px solid #e5e7eb;border-radius:12px;padding:.85rem 1rem;margin:.6rem 0;background:#fafafa}\n .note{background:#f8fafc;border-left:4px solid #2563eb;padding:.85rem 1rem;border-radius:8px}\n \u003c\/style\u003e\n\n \u003ch2\u003ePiezoelectric Disk Transducers 35mm — 10-Piece Pack\u003c\/h2\u003e\n \u003cp\u003eThe \u003cstrong\u003ePiezoelectric Disk Buzzer Transducers 35mm (10PCS)\u003c\/strong\u003e are larger bare piezo elements that produce louder sound and greater vibration sensitivity than their 15mm counterparts. Use them for DIY drum triggers, contact pickups for acoustic instruments, knock sensors, and vibration detection.\u003c\/p\u003e\n \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n \u003ctable\u003e\n \u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eBare piezo disc (passive)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eDiameter\u003c\/th\u003e\n\u003ctd\u003e35 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003ctd\u003e10 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/table\u003e\n\u003c\/div\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":45814186377505,"sku":"2382","price":170.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/piezoelectric-disk-buzzer-transducers-white.jpg?v=1778911981"},{"product_id":"4-mhz-crystal-20pf-capacitors","title":"4 MHz Crystal + 20pF Capacitors - MCU Clock","description":"\u003cdiv class=\"product-copy\"\u003e\n\n\u003cp\u003eKeep your microcontroller tickin' with a a fancy timing crystal. This 4.000 MHz model comes in a HC49\/US 'short style' standard package and is breadboard friendly and easy to use with any microcontroller or device that requires an external crystal. We even include two 20pF capacitors!\u003c\/p\u003e\n\u003cp\u003eThe crystal has 30PPM tolerance, 50PPM stability so it's good even for high precision needs (USB timing, long-term time-keeping, RF\/PLL\/VCO driving).\u003c\/p\u003e\n\u003cp\u003eTo use, connect the two pins to XTAL-in and XTAL-out on your circuit (the package is symmetric so use whichever pin) and one capacitor each from a crystal pin to ground. Check your microcontroller datasheet in case you also need a 1 Megaohm resistor or any other components.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: bold;\"\u003eTECHNICAL DETAILS\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003ePin Length (capacitors): 13mm \/ 0.5\"\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDiameter (capacitors): 5mm \/ 0.2\"\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.adafruit.com\/images\/product-files\/2212\/2212datasheet.pdf\" target=\"_blank\"\u003eCrystal Datasheet\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.adafruit.com\/images\/product-files\/2212\/2212dims.png\" target=\"_blank\"\u003eCrystal Dimensions\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/div\u003e\n\n\u003cstyle\u003e\n.product-copy{line-height:1.7}\n.product-copy \u003e * + *{margin-top:1rem}\n.product-copy h2{margin:1.4em 0 .6em}\n.product-copy p{margin:0 0 1em}\n.product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n.product-copy li{margin:.35em 0}\n.product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n.product-copy table th,\n.product-copy table td{border:1px solid #eee;padding:.6em .75em;text-align:left}\n.faq-list{margin:1.2rem 0 1.4rem}\n.faq{border:1px solid #e6e6e6;border-radius:12px;padding:.75rem 1rem;margin:.6rem 0;background:#fafafa}\n.faq summary{font-weight:600;cursor:pointer}\n@media (min-width:768px){ .product-copy{font-size:1.02rem} }\n\u003c\/style\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":45814433448225,"sku":"2212","price":79.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/products\/4-mhz-crystal-20pf-capacitors-1472.jpg?v=1689674379"},{"product_id":"32768-khz-crystal-20pf-capacitor-load","title":"32.768 kHz Crystal + 20pF - RTC Watch Crystal","description":"\u003cdiv class=\"product-copy\"\u003e\n \u003cstyle\u003e\n .product-copy{line-height:1.7;color:#1f2937}\n .product-copy \u003e * + *{margin-top:1rem}\n .product-copy h2{margin:1.4em 0 .6em;color:#111827}\n .product-copy h3{margin:1.1em 0 .5em;color:#111827}\n .product-copy p{margin:0 0 1em}\n .product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n .product-copy li{margin:.35em 0}\n .product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n .product-copy table th,.product-copy table td{border:1px solid #e5e7eb;padding:.7em .8em;text-align:left;vertical-align:top}\n .product-copy table th{background:#f9fafb;width:32%}\n .faq-list{margin:1.2rem 0 1.4rem}\n .faq{border:1px solid #e5e7eb;border-radius:12px;padding:.85rem 1rem;margin:.6rem 0;background:#fafafa}\n .note{background:#f8fafc;border-left:4px solid #2563eb;padding:.85rem 1rem;border-radius:8px}\n \u003c\/style\u003e\n\n \u003ch2\u003e32.768 KHz Crystal with 20pF Capacitor Load\u003c\/h2\u003e\n\n \u003cp\u003e\n The \u003cstrong\u003e32.768 KHz Crystal (20pF load)\u003c\/strong\u003e is the standard timekeeper crystal used in \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Real-time_clock\" target=\"_blank\" rel=\"noopener\"\u003ereal-time clocks (RTCs)\u003c\/a\u003e,\n watches, and microcontrollers that need accurate timekeeping. The frequency 32,768 Hz is exactly 2\u003csup\u003e15\u003c\/sup\u003e,\n which divides evenly down to 1 Hz — making it perfect for counting seconds.\n \u003c\/p\u003e\n\n \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n \u003ctable\u003e\n \u003ctr\u003e\n\u003cth\u003eFrequency\u003c\/th\u003e\n\u003ctd\u003e32.768 KHz\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eLoad capacitance\u003c\/th\u003e\n\u003ctd\u003e20 pF\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eUse\u003c\/th\u003e\n\u003ctd\u003eRTC oscillator, timekeeping\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/table\u003e\n\u003c\/div\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":45814435840289,"sku":"2211","price":69.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/32768-khz-crystal-20pf-capacitor-load-white.jpg?v=1778911184"},{"product_id":"transistor-bipolar-kit-5-x-pn2222-npn-and-5-x-pn2907-pnp","title":"Transistor Kit 2N2222 NPN Bipolar - General Purpose","description":"\u003cdiv class=\"product-copy\"\u003e\n\u003cp\u003eIt typically has three or more terminals to connect to an external circuit and is made of semiconductor material. Because a transistor's regulated (output) power can exceed its controlling (input) power, it can amplify a signal, Specifications include medium voltage, low to medium current, low power consumption, and relatively fast operation. Five NPNs, which are very helpful for your class B amplifier, are included.\u003c\/p\u003e\n\u003cp\u003eThey may be applied for high or low side control, LED strips, and more. Because these NPN and PNP transistors are strong small electrical switches, we particularly like applying them to switch medium-power devices such as small motors, solenoids, or infrared LEDs. Even though integrated circuits now contain a large number of transistors, some are still sold separately.\u003c\/p\u003e\n\u003ch3\u003e\n\u003cstrong\u003eSpecification\u003c\/strong\u003e:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTransistor: NPN\u003c\/li\u003e\n\u003cli\u003eBase Voltage: 60v\u003c\/li\u003e\n\u003cli\u003eEmitter Voltage: 30v\u003c\/li\u003e\n\u003cli\u003eEmitter-Base Voltage: 5V\u003c\/li\u003e\n\u003cli\u003eIC: 800mA\u003c\/li\u003e\n\u003cli\u003eInput Capacity: 30pF\u003c\/li\u003e\n\u003cli\u003eOutput Capacity: 8pF\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cstrong\u003eFeatures\u003c\/strong\u003e:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIt has an advanced process technology\u003c\/li\u003e\n\u003cli\u003eProvide an error on low voltage\u003c\/li\u003e\n\u003cli\u003eCurrent handling Capability\u003c\/li\u003e\n\u003cli\u003eFast switching speed\u003c\/li\u003e\n\u003cli\u003eFull-Voltage operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eSome important points\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTolerance per ASME Y14.5M\u003c\/li\u003e\n\u003cli\u003eControlling Dimension: Millimeters\u003c\/li\u003e\n\u003cli\u003eControl of the Package beyond dimension R is uncontrolled\u003c\/li\u003e\n\u003cli\u003eLead dimension is uncontrolled in P and beyond the dimension K minimum\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003e\u003cstrong\u003eFAQs\u003c\/strong\u003e\u003c\/h4\u003e\n\u003ch5\u003e\u003cstrong\u003eQ-1. Maximum voltage the transistor can tolerate?\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eAns. it can handle 20V.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003eQ-2. What are the uses Transistor Bipolar Kit N2222 NPN?\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eAns. 2N2222 offers current handling capability, error handling in low voltage, and advanced technology with fast response.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003eQ-3. What side of the switching N2222 can be used?\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eAns. 2N2222 can be used on both high and low sides to control electronic circuits.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003eQ-4. What are the mechanical tolerances, power, and standards followed in this circuit?\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eAns. it has ASME Y14.5M\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003eQ-5. In N2222, what is the input and output capacitance?\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eAns. Input Cap – 30pF; Output – 8pF\u003c\/p\u003e\n\n\u003c\/div\u003e\n\n\u003cstyle\u003e\n.product-copy{line-height:1.7}\n.product-copy \u003e * + *{margin-top:1rem}\n.product-copy h2{margin:1.4em 0 .6em}\n.product-copy p{margin:0 0 1em}\n.product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n.product-copy li{margin:.35em 0}\n.product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n.product-copy table th,\n.product-copy table td{border:1px solid #eee;padding:.6em .75em;text-align:left}\n.faq-list{margin:1.2rem 0 1.4rem}\n.faq{border:1px solid #e6e6e6;border-radius:12px;padding:.75rem 1rem;margin:.6rem 0;background:#fafafa}\n.faq summary{font-weight:600;cursor:pointer}\n@media (min-width:768px){ .product-copy{font-size:1.02rem} }\n\u003c\/style\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":45814440984865,"sku":"3599","price":15.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/products\/transistor-bipolar-kit-n2222-npn-1474.jpg?v=1689674390"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/collections\/Component_a4b3e221-cb9b-44fb-89ae-a49a8fa68a7a.png?v=1776328861","url":"https:\/\/circuit.rocks\/collections\/components.oembed?page=6","provider":"circuitrocks","version":"1.0","type":"link"}