{"title":"Sound \u0026 Vibration Sensors","description":"\u003c!-- META (paste into Shopify → Search engine listing) --\u003e\n\u003ctitle\u003eSound \u0026amp; Vibration Sensors Philippines: Microphones \u0026amp; Piezo | Circuitrocks\u003c\/title\u003e\n\u003cmeta name=\"description\" content=\"Shop sound, acoustic, and vibration sensors: microphones, piezo sensors, knock detectors, and audio modules for Arduino, ESP32, and Raspberry Pi. Fast PH shipping from Circuitrocks.\"\u003e\n\n\u003cdiv class=\"product-copy crx-scope\"\u003e\n  \u003cstyle\u003e\n    .crx-scope{font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:#1f2937;line-height:1.65}\n    .crx-scope h2{font-size:1.6rem;margin:0 0 .35rem}\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{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:1rem}\n    .crx-scope a{color:#15803d;text-decoration:none;border-bottom:1px dashed #9ae6b4}\n    .crx-scope .pill{display:inline-block;background:#e8f5ee;color:#166534;font-weight:700;padding:.22rem .6rem;border-radius:999px}\n\n    \/* Table *\/\n    .crx-scope table{width:100%;border-collapse:collapse;font-size:1.06rem;line-height:1.55}\n    .crx-scope th,.crx-scope td{border:1px solid #d9dde3;padding:.75rem .8rem;text-align:left;vertical-align:top}\n    .crx-scope th{background:#f5f7f9;font-weight:800}\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\n    .crx-scope .muted{color:#6b7280}\n    .crx-scope .note{background:#fff8e6;border:1px solid #ffe1a1;border-radius:10px;padding:.75rem}\n  \u003c\/style\u003e\n\n  \u003ch2\u003eAcoustic, Sound \u0026amp; Vibration Sensors — Microphones \u0026amp; Motion Detection\u003c\/h2\u003e\n  \u003cp class=\"lead\"\u003e\n    Detect sound, knocks, vibrations, and acoustic activity using \u003cstrong\u003emicrophone sensors\u003c\/strong\u003e, \u003cstrong\u003evibration sensors\u003c\/strong\u003e, \u003cstrong\u003epiezo elements\u003c\/strong\u003e, and \u003cstrong\u003esound detection modules\u003c\/strong\u003e. Ideal for audio-reactive projects, security systems, machine monitoring, and smart IoT builds.\n  \u003c\/p\u003e\n\n  \u003cp class=\"pill\"\u003eSound • Microphone • Vibration • Piezo • Knock Detection\u003c\/p\u003e\n\n  \u003cdiv class=\"section grid cols-3\"\u003e\n    \u003cdiv class=\"card\"\u003e\n      \u003ch3\u003eWhy choose these sensors\u003c\/h3\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHigh sensitivity:\u003c\/strong\u003e detect sound, taps, movement \u0026amp; resonance\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWide range:\u003c\/strong\u003e analog mic amps, digital sound triggers, piezo discs\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003ePH support:\u003c\/strong\u003e help with filtering, gain, and noise reduction\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"card\"\u003e\n      \u003ch3\u003ePopular uses\u003c\/h3\u003e\n      \u003cul\u003e\n        \u003cli\u003eAudio-reactive LEDs \u0026amp; music visualization\u003c\/li\u003e\n        \u003cli\u003eSecurity alarms (glass break \/ knock detection)\u003c\/li\u003e\n        \u003cli\u003eVibration sensing for motors \u0026amp; machinery\u003c\/li\u003e\n        \u003cli\u003eEnvironmental acoustic monitoring\u003c\/li\u003e\n        \u003cli\u003eVoice-activated or sound-triggered automation\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"card\"\u003e\n      \u003ch3\u003eRecommended add-ons\u003c\/h3\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003ca href=\"\/collections\/displays\"\u003eOLED\/TFT displays\u003c\/a\u003e for sound level readouts\u003c\/li\u003e\n        \u003cli\u003e\u003ca href=\"\/collections\/power-supply\"\u003eStable 5V\/3.3V power\u003c\/a\u003e\u003c\/li\u003e\n        \u003cli\u003e\n\u003ca href=\"\/collections\/memory\"\u003eData logging modules\u003c\/a\u003e for audio patterns\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"section card\"\u003e\n    \u003ch3\u003eSensor categories\u003c\/h3\u003e\n    \u003cdiv class=\"grid cols-3\"\u003e\n\n      \u003cdiv\u003e\n        \u003ch4\u003eMicrophone Sensors\u003c\/h4\u003e\n        \u003cul\u003e\n          \u003cli\u003eAnalog microphone amplifiers\u003c\/li\u003e\n          \u003cli\u003eDigital microphone modules\u003c\/li\u003e\n          \u003cli\u003eSound level detection boards\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv\u003e\n        \u003ch4\u003eVibration \u0026amp; Piezo Sensors\u003c\/h4\u003e\n        \u003cul\u003e\n          \u003cli\u003ePiezo discs (knock sensors)\u003c\/li\u003e\n          \u003cli\u003eSpring vibration detectors\u003c\/li\u003e\n          \u003cli\u003eMEMS vibration sensors\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv\u003e\n        \u003ch4\u003eAcoustic \u0026amp; Sound Modules\u003c\/h4\u003e\n        \u003cul\u003e\n          \u003cli\u003eSound-activated switch modules\u003c\/li\u003e\n          \u003cli\u003eFrequency detection sensors\u003c\/li\u003e\n          \u003cli\u003eAudio input modules for analysis\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n    \u003cp class=\"note\"\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e For accurate sound measurement, choose modules with onboard op-amps or adjustable gain to avoid noisy readings.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"section card\"\u003e\n    \u003ch3\u003eSensor chooser (quick guide)\u003c\/h3\u003e\n    \u003ctable\u003e\n      \u003ctr\u003e\n        \u003cth\u003eNeed\u003c\/th\u003e\n        \u003cth\u003eBest sensor\u003c\/th\u003e\n        \u003cth\u003eNotes\u003c\/th\u003e\n      \u003c\/tr\u003e\n\n      \u003ctr\u003e\n        \u003ctd\u003eDetect general sound levels\u003c\/td\u003e\n        \u003ctd\u003e\u003cstrong\u003eAnalog microphone module\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eGood for visualizers \u0026amp; audio-reactive projects.\u003c\/td\u003e\n      \u003c\/tr\u003e\n\n      \u003ctr\u003e\n        \u003ctd\u003eTrigger on loud sounds\u003c\/td\u003e\n        \u003ctd\u003e\u003cstrong\u003eDigital sound detection module\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eOutputs HIGH when threshold is reached.\u003c\/td\u003e\n      \u003c\/tr\u003e\n\n      \u003ctr\u003e\n        \u003ctd\u003eSense vibration or knocking\u003c\/td\u003e\n        \u003ctd\u003e\u003cstrong\u003ePiezo sensor \/ vibration switch\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eGreat for alarms, tapping inputs, and motor monitoring.\u003c\/td\u003e\n      \u003c\/tr\u003e\n\n      \u003ctr\u003e\n        \u003ctd\u003eCapture audio for analysis\u003c\/td\u003e\n        \u003ctd\u003e\u003cstrong\u003eOp-amp microphone module\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eProvides cleaner signals for FFT or processing.\u003c\/td\u003e\n      \u003c\/tr\u003e\n\n      \u003ctr\u003e\n        \u003ctd\u003eDetect specific frequency patterns\u003c\/td\u003e\n        \u003ctd\u003e\u003cstrong\u003eAudio filter or frequency detection module\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eUsed in voice detection or tone-based control.\u003c\/td\u003e\n      \u003c\/tr\u003e\n\n    \u003c\/table\u003e\n\n    \u003cp class=\"muted\"\u003eChoose based on sensitivity, analog vs digital output, and the noise tolerance of your environment.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"section card\"\u003e\n    \u003ch3\u003eStarter bundles\u003c\/h3\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003eSound Reactive Kit:\u003c\/strong\u003e mic module + LEDs + microcontroller\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eVibration Alarm Set:\u003c\/strong\u003e piezo sensor + buzzer + driver\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eAudio Input Pack:\u003c\/strong\u003e microphone module + SD logger\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"section card faq-list\"\u003e\n    \u003ch3\u003eFAQ\u003c\/h3\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eAre these sensors compatible with Arduino\/ESP32?\u003c\/summary\u003e\n      \u003cp\u003eYes—all microphone, vibration, and piezo modules work with Arduino, ESP32, and Raspberry Pi.\u003c\/p\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhy is my microphone sensor noisy?\u003c\/summary\u003e\n      \u003cp\u003eUse clean power, short wires, and modules with adjustable gain or filtering to reduce noise.\u003c\/p\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eCan I detect vibrations from motors?\u003c\/summary\u003e\n      \u003cp\u003eYes—piezo discs and spring vibration switches are commonly used for motor health monitoring.\u003c\/p\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eDo you ship nationwide?\u003c\/summary\u003e\n      \u003cp\u003eYes—fast PH shipping anywhere in the Philippines.\u003c\/p\u003e\n    \u003c\/details\u003e\n\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"section\"\u003e\n    \u003cp class=\"muted\"\u003e\n      Explore related:\n      \u003ca href=\"\/collections\/optical-light-imaging-photon-sensors\"\u003eOptical Sensors\u003c\/a\u003e •\n      \u003ca href=\"\/collections\/position-angle-displacement-speed-acceleration-sensors\"\u003eMotion Sensors\u003c\/a\u003e •\n      \u003ca href=\"\/collections\/displays\"\u003eDisplays\u003c\/a\u003e\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","products":[{"product_id":"vibration-sensor-module-sw-420","title":"SW-420 Vibration Sensor Module - Adjustable Sensitivity","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\u003eDetect Sound and Vibration for Smarter Projects\u003c\/h2\u003e\n\n \u003cp\u003eThe \u003cstrong\u003eVibration Sensor Module SW 420\u003c\/strong\u003e is a vibration sensor with digital output designed for sound detection, vibration alerts, and machine monitoring. 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\u003eInterface:\u003c\/strong\u003e Digital GPIO.\u003c\/p\u003e\n\n \u003ch3\u003eWhy you’ll love it\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eEasy wiring:\u003c\/strong\u003e Digital GPIO\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 sound detection, knock sensing, vibration alerts, and machine monitoring\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\u003eVibration Sensor Module SW 420\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003evibration sensor with digital output\u003c\/td\u003e\n\u003ctd\u003eCurrent item\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/piezo-disk-vibration-sensor-digital-gravity\"\u003ePiezo Disk Vibration Sensor Digital Gravity\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003evibration sensor with analog and digital output\u003c\/td\u003e\n\u003ctd\u003eanalog output, digital output\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/piezo-vibration-sensor-grove\"\u003ePiezo Vibration Sensor Grove\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003evibration sensor with analog output\u003c\/td\u003e\n\u003ctd\u003eSPI interface, capacitive touch input\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/piezo-vibration-sensor-small-vertical\"\u003ePiezo Vibration Sensor Small Vertical\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003evibration sensor\u003c\/td\u003e\n\u003ctd\u003eSPI interface\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 clap switches, knock locks, vibration alarms, sound level demos, and machine monitoring.\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 a microcontroller board, jumper wires, and pull-up or pull-down support when needed, 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\u003eVibration Sensor Module SW 420\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eInterface\u003c\/th\u003e\n\u003ctd\u003eDigital GPIO\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eCategory\u003c\/th\u003e\n\u003ctd\u003eacoustic sound vibration sensors\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/table\u003e\n\n \u003ch3\u003eWiring \u0026amp; usage notes\u003c\/h3\u003e\n \u003cp\u003eConnect power and ground, then wire the output pin to a \u003cstrong\u003edigital GPIO input\u003c\/strong\u003e. Check whether the module uses active-high or active-low logic in your code.\u003c\/p\u003e\n\n \u003ch3\u003eWhat’s in the box\u003c\/h3\u003e\n \u003cp\u003e1 × Vibration Sensor Module SW 420\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 Vibration Sensor Module SW 420 measure?\u003c\/strong\u003e\n It is designed to measure vibration, sound, or impact.\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 Digital GPIO sensor?\u003c\/strong\u003e\n This sensor provides a digital switching-style signal that is easy to read from a GPIO pin.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eWhat affects accuracy?\u003c\/strong\u003e\n Power quality, wiring, mounting, target material, and the real environment can all affect the reading. It is best to test and calibrate in the final setup.\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":45761390510369,"sku":"AB275","price":31.0,"currency_code":"PHP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/products\/vibration-sensor-module-sw-420-93.jpg?v=1689317109"},{"product_id":"sound-sensor-analog","title":"DFRobot Analog Sound Sensor - DFR0034","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\u003eDetect Sound and Vibration for Smarter Projects\u003c\/h2\u003e\n\n \u003cp\u003eThe \u003cstrong\u003eSound Sensor Analog\u003c\/strong\u003e is a sound sensor with analog output designed for sound detection, vibration alerts, and machine monitoring. 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\u003eVoltage range:\u003c\/strong\u003e 3.3V to 5V; \u003cstrong\u003eInterface:\u003c\/strong\u003e Analog and digital; \u003cstrong\u003eSize:\u003c\/strong\u003e 22x32mm (approximately 0.87 x 1.26 inches).\u003c\/p\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 Easily recognitive interfaces of sensors (\"A\" for analog and \"D\" for digital)\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHigh quality connector:\u003c\/strong\u003e High quality connector\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePower range:\u003c\/strong\u003e 3.3V to 5V\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCompact size:\u003c\/strong\u003e 22x32mm (approximately 0.87 x 1.26 inches)\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 \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\u003eSound Sensor Analog\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003esound sensor with analog output\u003c\/td\u003e\n\u003ctd\u003eCurrent item\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/sound-sensor\"\u003eSound Sensor LM386\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003esound sensor with analog and digital output\u003c\/td\u003e\n\u003ctd\u003eanalog output\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/sound-level-analog-meter-gravity\"\u003eSound Level Analog Meter Gravity\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003esound sensor with analog output\u003c\/td\u003e\n\u003ctd\u003eanalog output\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/vibration-sensor-module-sw-420\"\u003eVibration Sensor Module SW 420\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003evibration sensor 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 clap switches, knock locks, vibration alarms, sound level demos, and machine monitoring.\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\u003eSound Sensor Analog\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eVoltage range\u003c\/th\u003e\n\u003ctd\u003e3.3V to 5V\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003ctd\u003e22x32mm (approximately 0.87 x 1.26 inches)\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 \u003ctr\u003e\n\u003cth\u003eCategory\u003c\/th\u003e\n\u003ctd\u003eacoustic sound vibration sensors\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.\u003c\/p\u003e\n\n \u003ch3\u003eWhat’s in the box\u003c\/h3\u003e\n \u003cp\u003e1 × Sound Sensor Analog\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 Sound Sensor Analog measure?\u003c\/strong\u003e\n It is designed to measure sound level, audio activity, or optical fingerprint data.\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\u003eWhat affects accuracy?\u003c\/strong\u003e\n Power quality, wiring, mounting, target material, and the real environment can all affect the reading. It is best to test and calibrate in the final setup.\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":45761466204449,"sku":"DFR0034","price":462.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/products\/sound-sensor-analog-136.jpg?v=1689317279"},{"product_id":"sound-sensor","title":"Sound Sensor LM386","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\u003eDetect Sound and Vibration for Smarter Projects\u003c\/h2\u003e\n\n \u003cp\u003eThe \u003cstrong\u003eSound Sensor LM386\u003c\/strong\u003e is a sound sensor with analog and digital output designed for sound detection, vibration alerts, and machine monitoring. 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\u003eVoltage:\u003c\/strong\u003e 4 to 12V.\u003c\/p\u003e\n\n \u003ch3\u003eWhy you’ll love it\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eAdjustable Threshold:\u003c\/strong\u003e Adjustable Threshold\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePower range:\u003c\/strong\u003e 4 to 12V\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCurrent draw:\u003c\/strong\u003e 4 mA\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUseful spec:\u003c\/strong\u003e 0.2% (AV = 20, VS = 6 V, RL = 8 Ω, PO = 125 mW, f = 1 kHz)\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\u003eSound Sensor LM386\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003esound sensor with analog and digital output\u003c\/td\u003e\n\u003ctd\u003eCurrent item\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/sound-sensor-analog\"\u003eSound Sensor Analog\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003esound sensor with analog output\u003c\/td\u003e\n\u003ctd\u003eanalog output\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/electret-microphone-amplifier-max9814-with-auto-gain-control\"\u003eElectret Microphone Amplifier - MAX9814 with Auto Gain Control\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003epH sensor with analog output\u003c\/td\u003e\n\u003ctd\u003eanalog output\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/sound-level-analog-meter-gravity\"\u003eSound Level Analog Meter Gravity\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003esound sensor with analog output\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 clap switches, knock locks, vibration alarms, sound level demos, and machine monitoring.\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\u003eSound Sensor LM386\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eMusical Instruments\u003c\/th\u003e\n\u003ctd\u003eIntegrate the sound sensor into a homemade musical instrument that responds to sound in real-time. This can lead to innovative musical expressions and interactive performances.\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eAnalog Output\u003c\/th\u003e\n\u003ctd\u003eThe Circuitrocks sound sensor provides an analog output, allowing you to monitor varying sound levels. This feature is crucial for projects that require precise sound measurement.\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003ctd\u003e4 to 12V\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eLow Quiescent Current Drain\u003c\/th\u003e\n\u003ctd\u003e4 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eLow Distortion\u003c\/th\u003e\n\u003ctd\u003e0.2% (AV = 20, VS = 6 V, RL = 8 Ω, PO = 125 mW, f = 1 kHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eHome Automation\u003c\/th\u003e\n\u003ctd\u003eImplement the sound sensor in a smart home project where it can trigger devices based on sound input, like activating a fan when noise levels exceed a certain threshold.\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eCategory\u003c\/th\u003e\n\u003ctd\u003eacoustic sound vibration sensors\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.\u003c\/p\u003e\n\n \u003ch3\u003eWhat’s in the box\u003c\/h3\u003e\n \u003cp\u003e1 × Sound Sensor LM386\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 Sound Sensor LM386 measure?\u003c\/strong\u003e\n It is designed to measure sound level, audio activity, or optical fingerprint data.\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\u003eWhat affects accuracy?\u003c\/strong\u003e\n Power quality, wiring, mounting, target material, and the real environment can all affect the reading. It is best to test and calibrate in the final setup.\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":45812538310945,"sku":"2459","price":59.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/products\/sound-sensor-lm386-arduino-compatible-187.jpg?v=1689656438"},{"product_id":"mems-microphone-sound-sensor","title":"SparkFun MEMS Microphone Breakout INMP401 (ADMP401) - Analog Audio","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\u003eDetect Sound and Vibration for Smarter Projects\u003c\/h2\u003e\n\n \u003cp\u003eThe \u003cstrong\u003eMEMS Microphone Breakout INMP401 ADMP401 SparkFun\u003c\/strong\u003e is a ph sensor with analog output designed for sound detection, vibration alerts, and machine monitoring. 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\u003eFrequency Range:\u003c\/strong\u003e 100 Hz – 15 kHz; \u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 1.5–3.3V; \u003cstrong\u003eOutput:\u003c\/strong\u003e Analog.\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\u003eMain chip:\u003c\/strong\u003e INMP401 \/ ADMP401 MEMS microphone\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eController output:\u003c\/strong\u003e Analog\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSensing range:\u003c\/strong\u003e 100 Hz – 15 kHz\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePower range:\u003c\/strong\u003e 1.5–3.3V\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUseful spec:\u003c\/strong\u003e MEMS (omnidirectional)\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 \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\u003eMEMS Microphone Breakout INMP401 ADMP401 SparkFun\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003epH sensor with analog output\u003c\/td\u003e\n\u003ctd\u003eCurrent item\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/mems-silicon-microphone-breakout-spw2430-adafruit\"\u003eMEMS Silicon Microphone Breakout SPW2430 Adafruit\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003epH sensor with analog output\u003c\/td\u003e\n\u003ctd\u003eanalog output, breakout-board format\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/electret-microphone-amplifier-max9814-with-auto-gain-control\"\u003eElectret Microphone Amplifier - MAX9814 with Auto Gain Control\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003epH sensor with analog output\u003c\/td\u003e\n\u003ctd\u003eanalog output\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/usb-microphone-for-raspberry-pi-2\"\u003eUSB Microphone for Raspberry Pi\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003epH sensor\u003c\/td\u003e\n\u003ctd\u003egeneral-purpose sensing\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 clap switches, knock locks, vibration alarms, sound level demos, and machine monitoring.\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 an Arduino or ADC-capable board, jumper wires, and a stable power source, 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\u003eMEMS Microphone Breakout INMP401 ADMP401 SparkFun\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eChip\u003c\/th\u003e\n\u003ctd\u003eINMP401 \/ ADMP401 MEMS microphone\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eOutput\u003c\/th\u003e\n\u003ctd\u003eAnalog\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eFrequency Range\u003c\/th\u003e\n\u003ctd\u003e100 Hz – 15 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eSupply Voltage\u003c\/th\u003e\n\u003ctd\u003e1.5–3.3V\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eMEMS (omnidirectional)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eCategory\u003c\/th\u003e\n\u003ctd\u003eacoustic sound vibration sensors\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/table\u003e\n\n \u003ch3\u003eWiring \u0026amp; usage notes\u003c\/h3\u003e\n \u003cp\u003eConnect power and ground, then read the sensor output with an \u003cstrong\u003eanalog-capable input\u003c\/strong\u003e or external ADC. Stable power and a clean ground help reduce noise. 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 × MEMS Microphone Breakout INMP401 ADMP401 SparkFun\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 MEMS Microphone Breakout INMP401 ADMP401 SparkFun measure?\u003c\/strong\u003e\n It is designed to measure sound level, audio activity, or optical fingerprint data.\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 sensor?\u003c\/strong\u003e\n This sensor gives an analog-style signal, so you read it with an ADC or an analog-capable input.\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":"SparkFun","offers":[{"title":"Default Title","offer_id":45812651786529,"sku":"BOB-09868","price":655.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/mems-microphone-sound-sensor-1.jpg?v=1781005565"},{"product_id":"piezo-vibration-sensor-grove","title":"Seeed Grove Piezo Vibration Sensor - 101020031","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\u003eDetect Sound and Vibration for Smarter Projects\u003c\/h2\u003e\n\n \u003cp\u003eThe \u003cstrong\u003ePiezo Vibration Sensor Grove\u003c\/strong\u003e is a vibration sensor with analog output designed for sound detection, vibration alerts, and machine monitoring. 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\u003eOperating Voltage:\u003c\/strong\u003e 3.3-5V; \u003cstrong\u003eInterface type:\u003c\/strong\u003e Analog Signal .\u003c\/p\u003e\n\n \u003ch3\u003eWhy you’ll love it\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eWide dynamic range：0.001Hz~1000MHz:\u003c\/strong\u003e Wide dynamic range：0.001Hz~1000MHz\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eAdjustable sensitivity:\u003c\/strong\u003e Adjustable sensitivity\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHigh receptivity:\u003c\/strong\u003e High receptivity for strong impact\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eEasy wiring:\u003c\/strong\u003e Analog Signal \u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePower range:\u003c\/strong\u003e 3.3-5V\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 \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\u003ePiezo Vibration Sensor Grove\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003evibration sensor with analog output\u003c\/td\u003e\n\u003ctd\u003eCurrent item\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/piezo-vibration-sensor-large-with-mass\"\u003ePiezo Vibration Sensor Large with Mass\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003evibration sensor\u003c\/td\u003e\n\u003ctd\u003egeneral-purpose sensing\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/piezo-vibration-sensor-large\"\u003ePiezo Vibration Sensor Large\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003evibration sensor\u003c\/td\u003e\n\u003ctd\u003emotion sensing, accelerometer data\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/piezo-disk-vibration-sensor-digital-gravity\"\u003ePiezo Disk Vibration Sensor Digital Gravity\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003evibration sensor with analog and digital output\u003c\/td\u003e\n\u003ctd\u003eanalog output, digital 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 clap switches, knock locks, vibration alarms, sound level demos, and machine monitoring.\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 an Arduino or ADC-capable board, jumper wires, and a stable power source, 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\u003ePiezo Vibration Sensor Grove\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eInterface type\u003c\/th\u003e\n\u003ctd\u003eAnalog Signal \u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eOperating Voltage\u003c\/th\u003e\n\u003ctd\u003e3.3-5V\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eInterface\u003c\/th\u003e\n\u003ctd\u003eAnalog\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eCategory\u003c\/th\u003e\n\u003ctd\u003eacoustic sound vibration sensors\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/table\u003e\n\n \u003ch3\u003eWiring \u0026amp; usage notes\u003c\/h3\u003e\n \u003cp\u003eConnect power and ground, then read the sensor output with an \u003cstrong\u003eanalog-capable input\u003c\/strong\u003e or external ADC. Stable power and a clean ground help reduce noise.\u003c\/p\u003e\n\n \u003ch3\u003eWhat’s in the box\u003c\/h3\u003e\n \u003cp\u003e1 × Piezo Vibration Sensor Grove\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 Piezo Vibration Sensor Grove measure?\u003c\/strong\u003e\n It is designed to measure vibration, sound, or impact.\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 sensor?\u003c\/strong\u003e\n This sensor gives an analog-style signal, so you read it with an ADC or an analog-capable input.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eWhat affects accuracy?\u003c\/strong\u003e\n Power quality, wiring, mounting, target material, and the real environment can all affect the reading. It is best to test and calibrate in the final setup.\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":"Seeed Studio","offers":[{"title":"Default Title","offer_id":45812662599969,"sku":"101020031","price":347.0,"currency_code":"PHP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/products\/piezo-vibration-sensor-grove-656.jpg?v=1689658464"},{"product_id":"piezo-small-enclosed-with-wires","title":"Adafruit Piezo Small Enclosed w\/ Wires - 1740","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\u003eDetect Sound and Vibration for Smarter Projects\u003c\/h2\u003e\n\n \u003cp\u003eThe \u003cstrong\u003ePiezo Small Enclosed with Wires\u003c\/strong\u003e is a vibration sensor designed for sound detection, knock sensing, vibration alerts, and machine monitoring. 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\u003eDiameter:\u003c\/strong\u003e ~14 mm; \u003cstrong\u003eType:\u003c\/strong\u003e Enclosed piezo element; \u003cstrong\u003eWires:\u003c\/strong\u003e Pre-attached.\u003c\/p\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 ~14 mm\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUseful spec:\u003c\/strong\u003e Enclosed piezo element\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 sound detection, knock sensing, vibration alerts, and machine monitoring\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\u003ePiezo Small Enclosed with Wires\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003evibration sensor\u003c\/td\u003e\n\u003ctd\u003eCurrent item\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/piezo-large-enclosed-element-w-wires\"\u003ePiezo Large Enclosed Element w\/ Wires\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003evibration sensor\u003c\/td\u003e\n\u003ctd\u003egeneral-purpose sensing\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/piezo-vibration-sensor-large-with-mass\"\u003ePiezo Vibration Sensor Large with Mass\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003evibration sensor\u003c\/td\u003e\n\u003ctd\u003egeneral-purpose sensing\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/flexible-piezo-film-vibration-sensor-gravity\"\u003eFlexible Piezo Film Vibration Sensor Gravity\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003evibration sensor\u003c\/td\u003e\n\u003ctd\u003ecapacitive touch input\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 clap switches, sound meters, knock locks, machine vibration logging, and alarm triggers.\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\u003ePiezo Small Enclosed with Wires\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eDiameter\u003c\/th\u003e\n\u003ctd\u003e~14 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eEnclosed piezo element\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eWires\u003c\/th\u003e\n\u003ctd\u003ePre-attached\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eCategory\u003c\/th\u003e\n\u003ctd\u003eacoustic sound vibration 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\u003ePiezo Small Enclosed with Wires\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.\u003c\/p\u003e\n\n \u003ch3\u003eWhat’s in the box\u003c\/h3\u003e\n \u003cp\u003e1 × Piezo Small Enclosed with Wires\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 Piezo Small Enclosed with Wires measure?\u003c\/strong\u003e\n It is designed to measure vibration, sound, or impact.\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\u003eWhat affects accuracy?\u003c\/strong\u003e\n Power quality, wiring, mounting, target material, and the real environment can all affect the reading. It is best to test and calibrate in the final setup.\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":45812687995169,"sku":"1740","price":65.0,"currency_code":"PHP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/products\/piezo-small-enclosed-with-wires-745.jpg?v=1689658856"},{"product_id":"flexible-piezo-film-vibration-sensor-gravity","title":"DFRobot Gravity Piezo Film Vibration Sensor - SEN0209","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\u003eDetect Sound and Vibration for Smarter Projects\u003c\/h2\u003e\n\n \u003cp\u003eThe \u003cstrong\u003eFlexible Piezo Film Vibration Sensor Gravity\u003c\/strong\u003e is a vibration sensor designed for sound detection, vibration alerts, and machine monitoring. 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\u003eOperating Voltage:\u003c\/strong\u003e 5V; \u003cstrong\u003eInterface Type:\u003c\/strong\u003e Gravity PH2.0 3Pin interface.\u003c\/p\u003e\n\n \u003ch3\u003eWhy you’ll love it\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eGravity 3-pin Digital Cable x1:\u003c\/strong\u003e Gravity 3-pin Digital Cable x1\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eEasy wiring:\u003c\/strong\u003e Gravity PH2.0 3Pin interface\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePower range:\u003c\/strong\u003e 5V\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUseful spec:\u003c\/strong\u003e 10 g\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCompact size:\u003c\/strong\u003e 27mm * 22mm\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 \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\u003eFlexible Piezo Film Vibration Sensor Gravity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003evibration sensor\u003c\/td\u003e\n\u003ctd\u003eCurrent item\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/piezo-vibration-sensor-large\"\u003ePiezo Vibration Sensor Large\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003evibration sensor\u003c\/td\u003e\n\u003ctd\u003emotion sensing, accelerometer data\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/piezo-vibration-sensor-large-with-mass\"\u003ePiezo Vibration Sensor Large with Mass\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003evibration sensor\u003c\/td\u003e\n\u003ctd\u003egeneral-purpose sensing\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/piezo-disk-vibration-sensor-digital-gravity\"\u003ePiezo Disk Vibration Sensor Digital Gravity\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003evibration sensor with analog and digital output\u003c\/td\u003e\n\u003ctd\u003eanalog output, digital 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 clap switches, knock locks, vibration alarms, sound level demos, and machine monitoring.\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\u003eFlexible Piezo Film Vibration Sensor Gravity\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eInterface Type\u003c\/th\u003e\n\u003ctd\u003eGravity PH2.0 3Pin interface\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eOperating Voltage\u003c\/th\u003e\n\u003ctd\u003e5V\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e10 g\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eDimension\u003c\/th\u003e\n\u003ctd\u003e27mm * 22mm\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eStorage Temperature\u003c\/th\u003e\n\u003ctd\u003e-40 ° C to 85 ° C\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eOperating Temperature\u003c\/th\u003e\n\u003ctd\u003e0 ° C to 85 ° C\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.\u003c\/p\u003e\n\n \u003ch3\u003eWhat’s in the box\u003c\/h3\u003e\n \u003cp\u003e1 × Flexible Piezo Film Vibration Sensor Gravity\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 Flexible Piezo Film Vibration Sensor Gravity 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\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\u003eWhat affects accuracy?\u003c\/strong\u003e\n Power quality, wiring, mounting, target material, and the real environment can all affect the reading. It is best to test and calibrate in the final setup.\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":45812706083105,"sku":"SEN0209","price":695.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/flexible-piezo-film-vibration-sensor-gravity-hires.jpg?v=1778921378"},{"product_id":"piezo-large-enclosed-element-w-wires","title":"Adafruit Piezo Large Enclosed Element w\/ Wires - 1739","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\u003eDetect Sound and Vibration for Smarter Projects\u003c\/h2\u003e\n\n \u003cp\u003eThe \u003cstrong\u003ePiezo Large Enclosed Element w\/ Wires\u003c\/strong\u003e is a vibration sensor designed for sound detection, knock sensing, vibration alerts, and machine monitoring. 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\u003eDiameter:\u003c\/strong\u003e ~30 mm; \u003cstrong\u003eType:\u003c\/strong\u003e Enclosed piezo element; \u003cstrong\u003eWires:\u003c\/strong\u003e Pre-attached.\u003c\/p\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 ~30 mm\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUseful spec:\u003c\/strong\u003e Enclosed piezo element\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 sound detection, knock sensing, vibration alerts, and machine monitoring\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\u003ePiezo Large Enclosed Element w\/ Wires\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003evibration sensor\u003c\/td\u003e\n\u003ctd\u003eCurrent item\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/piezo-small-enclosed-with-wires\"\u003ePiezo Small Enclosed with Wires\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003evibration sensor\u003c\/td\u003e\n\u003ctd\u003egeneral-purpose sensing\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/piezo-vibration-sensor-large\"\u003ePiezo Vibration Sensor Large\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003evibration sensor\u003c\/td\u003e\n\u003ctd\u003emotion sensing, accelerometer data\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/piezo-vibration-sensor-large-with-mass\"\u003ePiezo Vibration Sensor Large with Mass\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003evibration sensor\u003c\/td\u003e\n\u003ctd\u003egeneral-purpose sensing\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 clap switches, sound meters, knock locks, machine vibration logging, and alarm triggers.\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\u003ePiezo Large Enclosed Element w\/ Wires\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eDiameter\u003c\/th\u003e\n\u003ctd\u003e~30 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eEnclosed piezo element\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eWires\u003c\/th\u003e\n\u003ctd\u003ePre-attached\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eCategory\u003c\/th\u003e\n\u003ctd\u003eacoustic sound vibration 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\u003ePiezo Large Enclosed Element w\/ Wires\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.\u003c\/p\u003e\n\n \u003ch3\u003eWhat’s in the box\u003c\/h3\u003e\n \u003cp\u003e1 × Piezo Large Enclosed Element w\/ Wires\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 Piezo Large Enclosed Element w\/ Wires measure?\u003c\/strong\u003e\n It is designed to measure vibration, sound, or impact.\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\u003eWhat affects accuracy?\u003c\/strong\u003e\n Power quality, wiring, mounting, target material, and the real environment can all affect the reading. It is best to test and calibrate in the final setup.\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":45813774418209,"sku":"1739","price":89.0,"currency_code":"PHP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/products\/piezo-large-enclosed-element-w-wires-1080.jpg?v=1689672789"},{"product_id":"vibration-sensor-digital-gravity","title":"DFRobot Gravity Digital Vibration Sensor - SW-420 Based","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\u003eAdd Reliable Vibration Sensor Digital Gravity Sensing to Your Next Build\u003c\/h2\u003e\n\n \u003cp\u003e\n What's the simplest way to check vibration with Arduino? Use a vibration sensor from DFRobot. You can directly plug it on our IO Expesion Shield V7. Just vibrate this sensor, Arduino can receive a digital signal. It's easy to acount and program in Arduino.\n \u003c\/p\u003e\n\n \u003cp\u003e\n Despite it's simple, you can make full use of it with creative thinking, like step counting, Crash warning light and so on.\n \u003c\/p\u003e\n\n \u003cdiv class=\"note\"\u003e\n \u003cstrong\u003eImportant:\u003c\/strong\u003e Use the official DFRobot links below for wiring, sample code, downloads, and the latest setup notes for this SKU.\n \u003c\/div\u003e\n\n \u003ch3\u003eWhy you'll love it\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eWide voltage range from 3.3V to 5V\u003c\/li\u003e\n \u003cli\u003eStandard assembling structure (Times-of-5mm Center distance between two 3mm mounting holes)\u003c\/li\u003e\n \u003cli\u003eEasily recognitive interfaces of sensors (\"A\" for analog and \"D\" for digital)\u003c\/li\u003e\n \u003cli\u003eIcons to simplely illustrate sensor function\u003c\/li\u003e\n \u003cli\u003eHigh quality connector\u003c\/li\u003e\n \u003cli\u003eImmersion gold surface\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhat you can build\u003c\/h3\u003e\n \u003cp\u003e\n This part fits monitoring, measurement, logging, alarms, and automation builds. It works well in Arduino, ESP32, and Raspberry Pi style projects where you need reliable real-world data from the vibration sensor digital gravity.\n \u003c\/p\u003e\n\n \u003ch3\u003eStarter bundles\u003c\/h3\u003e\n \u003cp\u003e\n Pair 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 sensor cables, headers, or a matching expansion shield for faster setup.\n \u003c\/p\u003e\n\n \u003ch3\u003eRecommended add-ons\u003c\/h3\u003e\n \u003cp\u003e\n Useful add-ons include displays, data logging modules, waterproof enclosures, and matching Gravity cables or sensor shields.\n \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\u003eVibration Sensor Digital Gravity\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eSKU\u003c\/th\u003e\n \u003ctd\u003eDFR0027\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003ctd\u003eDFRobot\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eInterface\u003c\/th\u003e\n \u003ctd\u003eAnalog, Digital, SPI\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eIO Type\u003c\/th\u003e\n \u003ctd\u003eDigital\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eSwitch life\u003c\/th\u003e\n \u003ctd\u003eup to 10 million seconds\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eOpen circuit resistance\u003c\/th\u003e\n \u003ctd\u003e10Mohm\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eSupply voltage\u003c\/th\u003e\n \u003ctd\u003e3.3V to 5V\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eDimensions\u003c\/th\u003e\n \u003ctd\u003e22x30mm (0.87 x 1.18 in)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eOperating voltage\u003c\/th\u003e\n \u003ctd\u003e3.3V\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/table\u003e\n\n \u003ch3\u003ePinout \u0026amp; usage notes\u003c\/h3\u003e\n \u003cp\u003e\n Check the supported input voltage before wiring so the module matches your controller and power source. For analog readings, use a stable reference and keep wiring short when possible for cleaner signals. If you are using Gravity connectors, align the plug correctly and avoid forcing the cable into the wrong header.\n \u003c\/p\u003e\n\n \u003ch3\u003eDFRobot resources\u003c\/h3\u003e\n \u003cp\u003e\n Official product page: \u003ca href=\"https:\/\/www.dfrobot.com\/search-DFR0027.html\" target=\"_blank\" rel=\"noopener\"\u003eView on DFRobot\u003c\/a\u003e\u003cbr\u003e\n Wiki \/ documentation: \u003ca href=\"https:\/\/www.dfrobot.com\/wiki\/index.php\/DFRobot_Digital_Vibration_Sensor_V2_SKU:DFR0027\" target=\"_blank\" rel=\"noopener\"\u003eOpen DFRobot wiki\u003c\/a\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.dfrobot.com\/wiki\/index.php\/DFRobot_Digital_Vibration_Sensor_V2_SKU:DFR0027\" target=\"_blank\" rel=\"noopener\"\u003eMore resources\u003c\/a\u003e\n \u003c\/p\u003e\n\n \u003ch3\u003eWhat’s in the box\u003c\/h3\u003e\n \u003cp\u003e\n 1 × Vibration Sensor Digital Gravity\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 I use this for logging or monitoring projects?\u003c\/strong\u003e Yes. It is a good fit for data collection, automation, and alert-based builds when paired with a supported controller.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eDoes it work with other boards too?\u003c\/strong\u003e Often yes, as long as voltage, interface, and pin mapping match. ESP32 and Raspberry Pi users should still check the official docs first.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eWhere can I find wiring and examples?\u003c\/strong\u003e Use the official DFRobot product page and wiki links below for guides, downloads, and code examples.\n \u003c\/div\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e","brand":"DFRobot","offers":[{"title":"Default Title","offer_id":45813879111969,"sku":"DFR0027","price":338.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/vibration-sensor-digital-gravity-hires.jpg?v=1778921700"},{"product_id":"piezo-disk-vibration-sensor-digital-gravity","title":"DFRobot Gravity Digital Piezo Disk Vibration Sensor","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\u003eAdd Reliable Piezo Disk Vibration Sensor Digital Gravity Sensing to Your Next Build\u003c\/h2\u003e\n\n \u003cp\u003e\n The DFRobot Vibration Sensor buffers a piezoelectric transducer that responds to strain changes by generating a measurable output voltage change which is proportional with the strength of vibration. So you can know the extent of vibration. Different from digital vibration sensor that only accounts times, this analog one can tell extent of vibration.\n \u003c\/p\u003e\n\n \u003cp\u003e\n Arduino can sense the pressure on piezoelectric unit.\n \u003c\/p\u003e\n\n \u003cdiv class=\"note\"\u003e\n \u003cstrong\u003eImportant:\u003c\/strong\u003e Use the official DFRobot links below for wiring, sample code, downloads, and the latest setup notes for this SKU.\n \u003c\/div\u003e\n\n \u003ch3\u003eWhy you'll love it\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 3.3V to 5V\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e Analog\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 22x30mm (0.87x1.2'')\u003c\/li\u003e\n \u003cli\u003ePiezo Disk Vibration Sensor x1\u003c\/li\u003e\n \u003cli\u003eAnalog cable x1\u003c\/li\u003e\n \u003cli\u003eSchimetics V2\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhat you can build\u003c\/h3\u003e\n \u003cp\u003e\n This part fits monitoring, measurement, logging, alarms, and automation builds. It works well in Arduino, ESP32, and Raspberry Pi style projects where you need reliable real-world data from the piezo disk vibration sensor digital gravity.\n \u003c\/p\u003e\n\n \u003ch3\u003eStarter bundles\u003c\/h3\u003e\n \u003cp\u003e\n Pair 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 sensor cables, headers, or a matching expansion shield for faster setup.\n \u003c\/p\u003e\n\n \u003ch3\u003eRecommended add-ons\u003c\/h3\u003e\n \u003cp\u003e\n Useful add-ons include displays, data logging modules, waterproof enclosures, and matching Gravity cables or sensor shields.\n \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\u003ePiezo Disk Vibration Sensor Digital Gravity\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eSKU\u003c\/th\u003e\n \u003ctd\u003eDFR0052\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003ctd\u003eDFRobot\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eInterface\u003c\/th\u003e\n \u003ctd\u003eAnalog, Digital\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eSupply voltage\u003c\/th\u003e\n \u003ctd\u003e3.3V to 5V\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eDimensions\u003c\/th\u003e\n \u003ctd\u003e22x30mm (0.87x1.2'')\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eWiki Analog Piezo Disk Vibration Sensor (SKU\u003c\/th\u003e\n \u003ctd\u003eDFR0052)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eOperating voltage\u003c\/th\u003e\n \u003ctd\u003e3.3V\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/table\u003e\n\n \u003ch3\u003ePinout \u0026amp; usage notes\u003c\/h3\u003e\n \u003cp\u003e\n Check the supported input voltage before wiring so the module matches your controller and power source. For analog readings, use a stable reference and keep wiring short when possible for cleaner signals. If you are using Gravity connectors, align the plug correctly and avoid forcing the cable into the wrong header.\n \u003c\/p\u003e\n\n \u003ch3\u003eDFRobot resources\u003c\/h3\u003e\n \u003cp\u003e\n Official product page: \u003ca href=\"https:\/\/www.dfrobot.com\/search-DFR0052.html\" target=\"_blank\" rel=\"noopener\"\u003eView on DFRobot\u003c\/a\u003e\u003cbr\u003e\n Wiki \/ documentation: \u003ca href=\"https:\/\/www.dfrobot.com\/wiki\/index.php\/Analog_Piezo_Disk_Vibration_Sensor_(SKU:DFR0052)\" target=\"_blank\" rel=\"noopener\"\u003eOpen DFRobot wiki\u003c\/a\u003e\n \u003c\/p\u003e\n\n \u003ch3\u003eWhat’s in the box\u003c\/h3\u003e\n \u003cp\u003e\n 1 × Piezo Disk Vibration Sensor Digital Gravity\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 I use this for logging or monitoring projects?\u003c\/strong\u003e Yes. It is a good fit for data collection, automation, and alert-based builds when paired with a supported controller.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eDoes it work with other boards too?\u003c\/strong\u003e Often yes, as long as voltage, interface, and pin mapping match. ESP32 and Raspberry Pi users should still check the official docs first.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eWhere can I find wiring and examples?\u003c\/strong\u003e Use the official DFRobot product page and wiki links below for guides, downloads, and code examples.\n \u003c\/div\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e","brand":"DFRobot","offers":[{"title":"Default Title","offer_id":45813879603489,"sku":"DFR0052","price":199.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/piezo-disk-vibration-sensor-digital-gravity-hires.jpg?v=1778921539"},{"product_id":"piezo-vibration-sensor-large","title":"SparkFun Piezo Vibration Sensor Large - Flexible Film","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 \u003ch2\u003eDetect Motion, Shock, and Taps with a Flexible Piezo Film Sensor\u003c\/h2\u003e\n \u003cp\u003eThe \u003cstrong\u003ePiezo Vibration Sensor Large\u003c\/strong\u003e is a simple film-based sensor for detecting flex, vibration, taps, impact, and movement. It is a useful part for trigger inputs, motion events, and low-part-count sensing circuits.\u003c\/p\u003e\n \u003cp\u003eAs the piezo film moves, it creates an AC signal that can be read with the right conditioning. This large version offers a straightforward way to sense motion without adding a full IMU or accelerometer module.\u003c\/p\u003e\n \u003cdiv class=\"note\"\u003e\n\u003cstrong\u003eImportant:\u003c\/strong\u003e Piezo sensors can create high voltage spikes during motion. Add the right resistor and protection before feeding the signal into a microcontroller ADC or comparator.\u003c\/div\u003e\n \u003ch3\u003eWhy you'll love it\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eFlexible piezo film sensor:\u003c\/strong\u003e Good for vibration, tap, and shock events\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLarge format:\u003c\/strong\u003e Helpful when you want an easy-to-mount sensing strip\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSimple two-wire output:\u003c\/strong\u003e Easy to test with analog or comparator circuits\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCan act like a switch or sensor:\u003c\/strong\u003e Useful for impact alarms and trigger inputs\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eNo active electronics onboard:\u003c\/strong\u003e Lets you design the front end to match your project\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eWhat you can build\u003c\/h3\u003e\n \u003cp\u003eGreat for knock sensors, vibration alarms, interactive props, impact logging, tamper detection, and simple motion-triggered inputs.\u003c\/p\u003e\n \u003ch3\u003eStarter bundles\u003c\/h3\u003e\n \u003cp\u003ePair it with a resistor network, comparator or analog input, and a microcontroller board for threshold-based triggers or analog logging.\u003c\/p\u003e\n \u003ch3\u003eRecommended add-ons\u003c\/h3\u003e\n \u003cp\u003eUseful add-ons include resistors, protection parts, microcontroller boards, cable leads, and mounting tape or brackets.\u003c\/p\u003e\n \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n \u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eProduct\u003c\/th\u003e\n \u003ctd\u003ePiezo Vibration Sensor Large\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eSKU\u003c\/th\u003e\n \u003ctd\u003eSEN-09196\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eSensor Type\u003c\/th\u003e\n \u003ctd\u003eFlexible PVDF piezo film sensor\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eUse Cases\u003c\/th\u003e\n \u003ctd\u003eFlex, touch, vibration, shock, impact sensing\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eSignal Behavior\u003c\/th\u003e\n \u003ctd\u003eAC output with motion\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003ePeak Signal Note\u003c\/th\u003e\n \u003ctd\u003eCan generate up to about ±90V with motion\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eLead Style\u003c\/th\u003e\n \u003ctd\u003eSolderable crimp pins\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/table\u003e\n \u003ch3\u003ePinout \u0026amp; usage notes\u003c\/h3\u003e\n \u003cp\u003eThis is a two-pin passive sensor. Connect it to an analog front end, comparator, or protected ADC input. Add a resistor path to keep the signal in a safe range for your circuit.\u003c\/p\u003e\n \u003ch3\u003eResources \u0026amp; support\u003c\/h3\u003e\n \u003cp\u003e\u003ca href=\"https:\/\/www.sparkfun.com\/piezo-vibration-sensor-large.html\"\u003eOfficial SparkFun product page\u003c\/a\u003e | \u003ca href=\"https:\/\/learn.sparkfun.com\/tutorials\/piezo-vibration-sensor-hookup-guide\/all\"\u003eSparkFun hookup guide\u003c\/a\u003e\u003c\/p\u003e\n \u003ch3\u003eWhat’s in the box\u003c\/h3\u003e\n \u003cp\u003e1 × Piezo Vibration Sensor Large\u003c\/p\u003e\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdiv class=\"faq-list\"\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eCan I connect this right to an Arduino pin?\u003c\/strong\u003e\n Use the right resistor and protection first. Piezo film can create voltage spikes.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eIs this good for knock sensing?\u003c\/strong\u003e\n Yes. It works well for taps, knocks, and basic impact detection.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eDoes it measure direction or full motion data?\u003c\/strong\u003e\n No. It is a simple event-style sensor, not a full motion sensor.\n \u003c\/div\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e","brand":"SparkFun","offers":[{"title":"Default Title","offer_id":45813936718113,"sku":"SEN-09196","price":1030.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/piezo-vibration-sensor-large-white.jpg?v=1778912121"},{"product_id":"piezo-vibration-sensor-large-with-mass","title":"SparkFun Piezo Vibration Sensor Large with Mass - Tip-Weighted","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 \u003ch2\u003eHigher Motion Sensitivity with a Weighted Piezo Vibration Sensor\u003c\/h2\u003e\n \u003cp\u003eThe \u003cstrong\u003ePiezo Vibration Sensor Large with Mass\u003c\/strong\u003e is a flexible piezo film sensor built for vibration, motion, tap, and shock detection. The added tip mass improves sensitivity to motion, which makes it a strong choice for event-triggered sensing.\u003c\/p\u003e\n \u003cp\u003eLike other piezo film sensors, it creates an AC signal when the film bends or moves. This version adds a mounted mass so smaller movements can produce a stronger response.\u003c\/p\u003e\n \u003cdiv class=\"note\"\u003e\n\u003cstrong\u003eImportant:\u003c\/strong\u003e This sensor can generate large voltage spikes when moved. Use a resistor network and proper input protection before feeding the signal into an ADC or comparator.\u003c\/div\u003e\n \u003ch3\u003eWhy you'll love it\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eMass-loaded piezo tip:\u003c\/strong\u003e Increases sensitivity to motion\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFlexible PVDF piezo film:\u003c\/strong\u003e Good for vibration and shock sensing\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eWide dynamic range:\u003c\/strong\u003e Useful across light to stronger motion events\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLaminated film design:\u003c\/strong\u003e Helps produce stronger voltage output\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eBreadboard-friendly leads:\u003c\/strong\u003e Easy to prototype in test circuits\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eWhat you can build\u003c\/h3\u003e\n \u003cp\u003eUse it in motion-triggered props, knock detectors, condition monitoring tests, tamper alerts, vibration logging, and simple energy-harvest or event detection experiments.\u003c\/p\u003e\n \u003ch3\u003eStarter bundles\u003c\/h3\u003e\n \u003cp\u003ePair it with a resistor network, microcontroller, or comparator board to turn raw vibration into a clean event signal.\u003c\/p\u003e\n \u003ch3\u003eRecommended add-ons\u003c\/h3\u003e\n \u003cp\u003eHelpful add-ons include resistor kits, signal conditioning boards, microcontrollers, data loggers, and mounting hardware.\u003c\/p\u003e\n \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n \u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eProduct\u003c\/th\u003e\n \u003ctd\u003ePiezo Vibration Sensor Large with Mass\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eSKU\u003c\/th\u003e\n \u003ctd\u003eSEN-09197\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eSensor Type\u003c\/th\u003e\n \u003ctd\u003eFlexible PVDF piezo film with tip mass\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eUse Cases\u003c\/th\u003e\n \u003ctd\u003eFlex, touch, vibration, shock, impact sensing\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eSignal Behavior\u003c\/th\u003e\n \u003ctd\u003eAC output with motion\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003ePeak Signal Note\u003c\/th\u003e\n \u003ctd\u003eCan generate up to about ±90V with motion\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eLead Style\u003c\/th\u003e\n \u003ctd\u003e0.1-inch breadboard-friendly leads\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/table\u003e\n \u003ch3\u003ePinout \u0026amp; usage notes\u003c\/h3\u003e\n \u003cp\u003eThis is a two-wire passive sensor. The added mass raises motion sensitivity, so plan input protection and threshold tuning around your use case.\u003c\/p\u003e\n \u003ch3\u003eResources \u0026amp; support\u003c\/h3\u003e\n \u003cp\u003e\u003ca href=\"https:\/\/www.sparkfun.com\/piezo-vibration-sensor-large-with-mass.html\"\u003eOfficial SparkFun product page\u003c\/a\u003e | \u003ca href=\"https:\/\/learn.sparkfun.com\/tutorials\/piezo-vibration-sensor-hookup-guide\/all\"\u003eSparkFun hookup guide\u003c\/a\u003e\u003c\/p\u003e\n \u003ch3\u003eWhat’s in the box\u003c\/h3\u003e\n \u003cp\u003e1 × Piezo Vibration Sensor Large with Mass\u003c\/p\u003e\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdiv class=\"faq-list\"\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eWhat does the added mass do?\u003c\/strong\u003e\n It makes the sensor more sensitive to movement and vibration.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eCan it be used as a simple switch?\u003c\/strong\u003e\n Yes. With the right circuit, it can act like a motion or impact trigger.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eDo I need protection parts?\u003c\/strong\u003e\n Yes. Piezo sensors can create spikes, so protect your input stage.\n \u003c\/div\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e","brand":"SparkFun","offers":[{"title":"Default Title","offer_id":45813937209633,"sku":"SEN-09197","price":1122.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/piezo-vibration-sensor-large-with-mass-white.jpg?v=1778912122"},{"product_id":"piezo-vibration-sensor-small-vertical","title":"SparkFun Piezo Vibration Sensor Small Vertical - Flexible Film","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 \u003ch2\u003eCompact Vertical Vibration Sensor for Taps and Motion Events\u003c\/h2\u003e\n \u003cp\u003eThe \u003cstrong\u003ePiezo Vibration Sensor Small Vertical\u003c\/strong\u003e is a compact cantilever-style vibration sensor for tap input, motion sensing, and low-frequency vibration detection.\u003c\/p\u003e\n \u003cp\u003eThis version mounts vertically and uses a small mass-loaded design to improve sensitivity at lower frequencies. It is a clean option when you need a small event sensor on a tight board layout.\u003c\/p\u003e\n \u003cdiv class=\"note\"\u003e\n\u003cstrong\u003eImportant:\u003c\/strong\u003e Piezo sensors produce an AC signal and can create high voltage spikes. Add the right resistor and protection parts before using a microcontroller input.\u003c\/div\u003e\n \u003ch3\u003eWhy you'll love it\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eCompact sensor body:\u003c\/strong\u003e Easy to fit in small builds\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eVertical mounting style:\u003c\/strong\u003e Useful when board height and layout matter\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMass-loaded cantilever design:\u003c\/strong\u003e Improves low-frequency sensitivity\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eGood for tap and vibration events:\u003c\/strong\u003e Simple way to detect movement\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePassive two-pin output:\u003c\/strong\u003e Easy to pair with custom analog front ends\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eWhat you can build\u003c\/h3\u003e\n \u003cp\u003eUseful for tap inputs, alarm triggers, handheld gadgets, vibration logging, anti-tamper devices, and interactive builds that respond to knocks or motion.\u003c\/p\u003e\n \u003ch3\u003eStarter bundles\u003c\/h3\u003e\n \u003cp\u003eAdd a resistor network, comparator or ADC input, and a microcontroller board for event capture or analog monitoring.\u003c\/p\u003e\n \u003ch3\u003eRecommended add-ons\u003c\/h3\u003e\n \u003cp\u003eHelpful extras include resistors, protection parts, breadboards, data loggers, and mounting hardware.\u003c\/p\u003e\n \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n \u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eProduct\u003c\/th\u003e\n \u003ctd\u003ePiezo Vibration Sensor Small Vertical\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eSKU\u003c\/th\u003e\n \u003ctd\u003eSEN-09199\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eSensor Type\u003c\/th\u003e\n \u003ctd\u003eCantilever-style piezo vibration sensor\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMounting\u003c\/th\u003e\n \u003ctd\u003eVertical mounting\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eUse Cases\u003c\/th\u003e\n \u003ctd\u003eVibration, tap, shock, impact sensing\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eSignal Behavior\u003c\/th\u003e\n \u003ctd\u003eAC output with motion\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003ePeak Signal Note\u003c\/th\u003e\n \u003ctd\u003eCan generate up to about ±90V with motion\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/table\u003e\n \u003ch3\u003ePinout \u0026amp; usage notes\u003c\/h3\u003e\n \u003cp\u003eThis is a two-pin passive sensor with vertical leads for upright mounting. Use a protected analog input or comparator-based circuit.\u003c\/p\u003e\n \u003ch3\u003eResources \u0026amp; support\u003c\/h3\u003e\n \u003cp\u003e\u003ca href=\"https:\/\/www.sparkfun.com\/piezo-vibration-sensor-small-vertical.html\"\u003eOfficial SparkFun product page\u003c\/a\u003e | \u003ca href=\"https:\/\/learn.sparkfun.com\/tutorials\/piezo-vibration-sensor-hookup-guide\/all\"\u003eSparkFun hookup guide\u003c\/a\u003e\u003c\/p\u003e\n \u003ch3\u003eWhat’s in the box\u003c\/h3\u003e\n \u003cp\u003e1 × Piezo Vibration Sensor Small Vertical\u003c\/p\u003e\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdiv class=\"faq-list\"\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eWhat is the main benefit of the vertical version?\u003c\/strong\u003e\n It fits layouts where upright mounting is easier or more sensitive for the motion direction you want.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eCan it detect taps?\u003c\/strong\u003e\n Yes. It is well suited for tap and knock style events.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eIs it a calibrated accelerometer?\u003c\/strong\u003e\n No. It is a simple piezo event sensor.\n \u003c\/div\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e","brand":"SparkFun","offers":[{"title":"Default Title","offer_id":45813937766689,"sku":"SEN-09199","price":1317.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/piezo-vibration-sensor-small-vertical-white.jpg?v=1778912123"},{"product_id":"mems-silicon-microphone-breakout-spw2430-adafruit","title":"Adafruit MEMS Silicon Microphone Breakout SPW2430 - 2716","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\u003eDetect Sound and Vibration for Smarter Projects\u003c\/h2\u003e\n\n \u003cp\u003eThe \u003cstrong\u003eMEMS Silicon Microphone Breakout SPW2430 Adafruit\u003c\/strong\u003e is a ph sensor with analog output designed for sound detection, vibration alerts, and machine monitoring. 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\u003eFrequency Range:\u003c\/strong\u003e 100 Hz – 10 kHz; \u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 1.5–3.6V; \u003cstrong\u003eOutput:\u003c\/strong\u003e Analog (peak-to-peak, DC biased).\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\u003eMain chip:\u003c\/strong\u003e SPW2430 MEMS microphone\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eController output:\u003c\/strong\u003e Analog (peak-to-peak, DC biased)\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSensing range:\u003c\/strong\u003e 100 Hz – 10 kHz\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePower range:\u003c\/strong\u003e 1.5–3.6V\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUseful spec:\u003c\/strong\u003e MEMS (bottom-port, omnidirectional)\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 \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\u003eMEMS Silicon Microphone Breakout SPW2430 Adafruit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003epH sensor with analog output\u003c\/td\u003e\n\u003ctd\u003eCurrent item\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/mems-microphone-sound-sensor\"\u003eMEMS Microphone Breakout INMP401 ADMP401 SparkFun\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003epH sensor with analog output\u003c\/td\u003e\n\u003ctd\u003eanalog output, breakout-board format\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/electret-microphone-amplifier-max9814-with-auto-gain-control\"\u003eElectret Microphone Amplifier - MAX9814 with Auto Gain Control\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003epH sensor with analog output\u003c\/td\u003e\n\u003ctd\u003eanalog output\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/usb-microphone-for-raspberry-pi-2\"\u003eUSB Microphone for Raspberry Pi\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003epH sensor\u003c\/td\u003e\n\u003ctd\u003egeneral-purpose sensing\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 clap switches, knock locks, vibration alarms, sound level demos, and machine monitoring.\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 an Arduino or ADC-capable board, jumper wires, and a stable power source, 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\u003eMEMS Silicon Microphone Breakout SPW2430 Adafruit\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eChip\u003c\/th\u003e\n\u003ctd\u003eSPW2430 MEMS microphone\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eOutput\u003c\/th\u003e\n\u003ctd\u003eAnalog (peak-to-peak, DC biased)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eFrequency Range\u003c\/th\u003e\n\u003ctd\u003e100 Hz – 10 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eSupply Voltage\u003c\/th\u003e\n\u003ctd\u003e1.5–3.6V\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eMEMS (bottom-port, omnidirectional)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eCategory\u003c\/th\u003e\n\u003ctd\u003eacoustic sound vibration sensors\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/table\u003e\n\n \u003ch3\u003eWiring \u0026amp; usage notes\u003c\/h3\u003e\n \u003cp\u003eConnect power and ground, then read the sensor output with an \u003cstrong\u003eanalog-capable input\u003c\/strong\u003e or external ADC. Stable power and a clean ground help reduce noise. 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 × MEMS Silicon Microphone Breakout SPW2430 Adafruit\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 MEMS Silicon Microphone Breakout SPW2430 Adafruit measure?\u003c\/strong\u003e\n It is designed to measure sound level, audio activity, or optical fingerprint data.\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 sensor?\u003c\/strong\u003e\n This sensor gives an analog-style signal, so you read it with an ADC or an analog-capable input.\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":"Adafruit","offers":[{"title":"Default Title","offer_id":45813959721249,"sku":"2716","price":355.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/products\/mems-silicon-microphone-breakout-spw2430-adafruit-1238.jpg?v=1689673438"},{"product_id":"sound-level-analog-meter-gravity","title":"DFRobot Gravity Sound Level Analog Meter - SEN0232","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\u003eDetect Sound and Vibration for Smarter Projects\u003c\/h2\u003e\n\n \u003cp\u003eThe \u003cstrong\u003eSound Level Analog Meter Gravity\u003c\/strong\u003e is a sound sensor with analog output designed for sound detection, vibration alerts, and machine monitoring. 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\u003eMeasuring Range:\u003c\/strong\u003e 30dBA ~ 130dBA; \u003cstrong\u003eOutput Voltage:\u003c\/strong\u003e 0.6 ~ 2.6V; \u003cstrong\u003eModule Size:\u003c\/strong\u003e 60mm * 43mm \/ 2.37in*1.68in.\u003c\/p\u003e\n\n \u003ch3\u003eWhy you’ll love it\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eWide Voltage Input：3.3~5.0V:\u003c\/strong\u003e Wide Voltage Input：3.3~5.0V\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eAnalog Sound Level Meter x1:\u003c\/strong\u003e Analog Sound Level Meter x1\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eGravity Analog Cable 3Pin x1:\u003c\/strong\u003e Gravity Analog Cable 3Pin x1\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUseful spec:\u003c\/strong\u003e 125ms\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePower range:\u003c\/strong\u003e 0.6 ~ 2.6V\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSensing range:\u003c\/strong\u003e 30dBA ~ 130dBA\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\u003eSound Level Analog Meter Gravity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003esound sensor with analog output\u003c\/td\u003e\n\u003ctd\u003eCurrent item\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/sound-sensor\"\u003eSound Sensor LM386\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003esound sensor with analog and digital output\u003c\/td\u003e\n\u003ctd\u003eanalog output\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/sound-sensor-analog\"\u003eSound Sensor Analog\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003esound sensor with analog output\u003c\/td\u003e\n\u003ctd\u003eanalog output\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/mems-microphone-sound-sensor\"\u003eMEMS Microphone Breakout INMP401 ADMP401 SparkFun\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003epH sensor with analog output\u003c\/td\u003e\n\u003ctd\u003eanalog output, breakout-board format\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 clap switches, knock locks, vibration alarms, sound level demos, and machine monitoring.\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 an Arduino or ADC-capable board, jumper wires, and a stable power source, 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\u003eSound Level Analog Meter Gravity\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eTime Characteristics\u003c\/th\u003e\n\u003ctd\u003e125ms\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eOutput Voltage\u003c\/th\u003e\n\u003ctd\u003e0.6 ~ 2.6V\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eMeasuring Range\u003c\/th\u003e\n\u003ctd\u003e30dBA ~ 130dBA\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eInput Voltage\u003c\/th\u003e\n\u003ctd\u003e3.3 ~ 5.0V\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eInput Current\u003c\/th\u003e\n\u003ctd\u003e22mA@3.3V, 14mA@5.0V\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eFrequency Weighted\u003c\/th\u003e\n\u003ctd\u003eA Weighted\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eFrequency Response\u003c\/th\u003e\n\u003ctd\u003e31.5Hz ~ 8.5KHz\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eModule Size\u003c\/th\u003e\n\u003ctd\u003e60mm * 43mm \/ 2.37in*1.68in\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/table\u003e\n\n \u003ch3\u003eWiring \u0026amp; usage notes\u003c\/h3\u003e\n \u003cp\u003eConnect power and ground, then read the sensor output with an \u003cstrong\u003eanalog-capable input\u003c\/strong\u003e or external ADC. Stable power and a clean ground help reduce noise.\u003c\/p\u003e\n\n \u003ch3\u003eWhat’s in the box\u003c\/h3\u003e\n \u003cp\u003e1 × Sound Level Analog Meter Gravity\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 Sound Level Analog Meter Gravity measure?\u003c\/strong\u003e\n It is designed to measure sound level, audio activity, or optical fingerprint data.\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 sensor?\u003c\/strong\u003e\n This sensor gives an analog-style signal, so you read it with an ADC or an analog-capable input.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eWhat affects accuracy?\u003c\/strong\u003e\n Power quality, wiring, mounting, target material, and the real environment can all affect the reading. It is best to test and calibrate in the final setup.\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":45813966536993,"sku":"SEN0232","price":2027.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/sound-level-analog-meter-gravity-hires.jpg?v=1778921619"},{"product_id":"usb-mini-microphone","title":"USB Mini Microphone - Plug-and-Play Computer Microphone","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\u003eDetect Sound and Vibration for Smarter Projects\u003c\/h2\u003e\n\n \u003cp\u003eThe \u003cstrong\u003eUSB Mini Microphone\u003c\/strong\u003e is a ph sensor designed for sound detection, vibration alerts, and machine monitoring. 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\u003eInterface:\u003c\/strong\u003e USB (plug-and-play, class compliant).\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\u003eEasy wiring:\u003c\/strong\u003e USB (plug-and-play, class compliant)\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUseful spec:\u003c\/strong\u003e Omnidirectional condenser\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 sound detection, knock sensing, vibration alerts, and machine monitoring\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\u003eUSB Mini Microphone\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\/usb-microphone-for-raspberry-pi-2\"\u003eUSB Microphone for Raspberry Pi\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003epH sensor\u003c\/td\u003e\n\u003ctd\u003egeneral-purpose sensing\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/electret-microphone-amplifier-max9814-with-auto-gain-control\"\u003eElectret Microphone Amplifier - MAX9814 with Auto Gain Control\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003epH sensor with analog output\u003c\/td\u003e\n\u003ctd\u003eanalog output\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/mems-silicon-microphone-breakout-spw2430-adafruit\"\u003eMEMS Silicon Microphone Breakout SPW2430 Adafruit\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003epH sensor with analog output\u003c\/td\u003e\n\u003ctd\u003eanalog output, breakout-board format\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 clap switches, knock locks, vibration alarms, sound level demos, and machine monitoring.\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\u003eUSB Mini Microphone\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eInterface\u003c\/th\u003e\n\u003ctd\u003eUSB (plug-and-play, class compliant)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eOmnidirectional condenser\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eCompatibility\u003c\/th\u003e\n\u003ctd\u003eRaspberry Pi, Windows, macOS, Linux\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eCategory\u003c\/th\u003e\n\u003ctd\u003eacoustic sound vibration 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\u003eUSB Mini Microphone\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 × USB Mini Microphone\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 USB Mini Microphone measure?\u003c\/strong\u003e\n It is designed to measure sound level, audio activity, or optical fingerprint data.\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":"Adafruit","offers":[{"title":"Default Title","offer_id":45814330851617,"sku":"3367","price":175.0,"currency_code":"PHP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/products\/usb-mini-microphone-1441.jpg?v=1689674244"},{"product_id":"hand-clap-sensor-verbal-machines-vm-clap1","title":"Pololu Hand-Clap Sensor Verbal Machines VM-CLAP1","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\u003eDetect Sound and Vibration for Smarter Projects\u003c\/h2\u003e\n\n \u003cp\u003eThe \u003cstrong\u003eHand Clap Sensor Verbal Machines VM-CLAP1\u003c\/strong\u003e is a sound sensor with analog output designed for sound detection, knock sensing, vibration alerts, and machine monitoring. 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\u003eOperating Voltage:\u003c\/strong\u003e 2.5-5.5V; \u003cstrong\u003eInterface Type:\u003c\/strong\u003e Analog Signal.\u003c\/p\u003e\n\n \u003ch3\u003eWhy you’ll love it\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eEasy wiring:\u003c\/strong\u003e Analog Signal\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePower range:\u003c\/strong\u003e 2.5-5.5V\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 sound detection, knock sensing, vibration alerts, and machine monitoring\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\u003eHand Clap Sensor Verbal Machines VM-CLAP1\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003esound sensor with analog output\u003c\/td\u003e\n\u003ctd\u003eCurrent item\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/sound-sensor-analog\"\u003eSound Sensor Analog\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003esound sensor with analog output\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 clap switches, sound meters, knock locks, machine vibration logging, and alarm triggers.\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 an Arduino or ADC-capable board, jumper wires, and a stable power source, 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\u003eHand Clap Sensor Verbal Machines VM-CLAP1\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eInterface Type\u003c\/th\u003e\n\u003ctd\u003eAnalog Signal\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eOperating Voltage\u003c\/th\u003e\n\u003ctd\u003e2.5-5.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eInterface\u003c\/th\u003e\n\u003ctd\u003eAnalog\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eCategory\u003c\/th\u003e\n\u003ctd\u003eacoustic sound vibration sensors\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/table\u003e\n\n \u003ch3\u003eWiring \u0026amp; usage notes\u003c\/h3\u003e\n \u003cp\u003eConnect power and ground, then read the sensor output with an \u003cstrong\u003eanalog-capable input\u003c\/strong\u003e or external ADC. Stable power and a clean ground help reduce noise.\u003c\/p\u003e\n\n \u003ch3\u003eWhat’s in the box\u003c\/h3\u003e\n \u003cp\u003e1 × Hand Clap Sensor Verbal Machines VM-CLAP1\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 Hand Clap Sensor Verbal Machines VM-CLAP1 measure?\u003c\/strong\u003e\n It is designed to measure sensor data for embedded projects.\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 sensor?\u003c\/strong\u003e\n This sensor gives an analog-style signal, so you read it with an ADC or an analog-capable input.\n \u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eWhat affects accuracy?\u003c\/strong\u003e\n Power quality, wiring, mounting, target material, and the real environment can all affect the reading. It is best to test and calibrate in the final setup.\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":"Pololu","offers":[{"title":"Default Title","offer_id":45814474637601,"sku":"POL2580","price":1079.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/hand-clap-sensor-verbal-machines-vm-clap1-1.jpg?v=1781008125"},{"product_id":"dtmf-mt8870-audio-decoder-module","title":"DTMF MT8870 Audio Decoder Module - DTMF Tone Decoder","description":"\u003cdiv class=\"product-copy\"\u003e\n\n\u003cp\u003eDTMF (Dual Tone Multi-Frequency) is a telecommunications signaling method that uses a combination of two sinusoidal frequencies to generate a dial tone. \u003c\/p\u003e\n\u003cp\u003eThe MT8870 module is a DTMF receiver that decodes the key pressed on a telephone keypad using a band-split filter. A band-split filter, as the name implies, splits the consolidated frequencies to identify them. The MT8870 module then converts the DTMF signal into 4-bit digital representing all 16 possible combinations on a standard telephone keypad. \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: bold;\"\u003eSpecifications:\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eOperating Voltage: 5V\u003c\/li\u003e\n\u003cli\u003eInterface type: Digital\u003c\/li\u003e\n\u003cli\u003eOn-board MT8870 frequency decoder chip\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eOn-board audio input interface\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eOn-board LED lights for output state indication\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePCB Size: 26.5 x 24.5 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNoSpacing\" style=\"display: inline !important;\"\u003e\u003cspan style=\"font-weight: bold;\"\u003eLibrary\u003c\/span\u003e: None\u003c\/p\u003e\n\u003cp class=\"MsoNoSpacing\" style=\"display: inline !important;\"\u003e\u003cbr\u003e\u003cspan style=\"font-weight: bold;\"\u003eInclusions\u003c\/span\u003e: \u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003eDTMF decoder module x1\u003c\/li\u003e\u003c\/ul\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eDocuments\u003c\/span\u003e: \n\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.openimpulse.com\/blog\/wp-content\/uploads\/wpsc\/downloadables\/MT8870-DTMF-Audio-Decoder-Module-Datasheet.pdf\" target=\"_blank\"\u003eDatasheet\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.openimpulse.com\/blog\/wp-content\/uploads\/wpsc\/downloadables\/MT8870-Schematic-Diagram.pdf\" target=\"_blank\"\u003eSchematic\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.electronicwings.com\/arduino\/mt8870-dtmf-decoder-interfacing-with-arduino-uno\" target=\"_blank\"\u003eSample code\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size: 13.3333px;\"\u003e\u003cbr\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cul\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":45814809887009,"sku":"AC047","price":62.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/products\/dtmf-mt8870-audio-decoder-module-1601.jpg?v=1689674931"},{"product_id":"piezo-vibration-sensor-small-horizontal","title":"SparkFun Piezo Vibration Sensor Small Horizontal - Flexible Film","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\u003eUseful Sensor Feedback for Smarter Controller-Based Projects\u003c\/h2\u003e\n\n \u003cp\u003e\n The \u003cstrong\u003eSparkFun Piezo Vibration Sensor Small Horizontal - Flexible Film\u003c\/strong\u003e is a practical \u003cstrong\u003esensor\u003c\/strong\u003e from \u003cstrong\u003eSparkFun\u003c\/strong\u003e for students, makers, and repair-friendly builds. It fits well in projects that need feedback and detection, 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\u003esensor\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\u003eAdds project feedback:\u003c\/strong\u003e adds useful value when choosing parts for a build\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUseful for automation logic:\u003c\/strong\u003e adds useful value when choosing parts for a build\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eWorks well in test builds:\u003c\/strong\u003e adds useful value when choosing parts for a build\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eEasy to combine with controller code:\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 smart robots, feedback systems, environmental monitoring, and controller-based automation. 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 Most users pair this with Arduino, ESP32, or Raspberry Pi, along with jumper wires and a proper power source for the target load or sensor.\n \u003c\/p\u003e\n\n \u003ch3\u003eRecommended add-ons\u003c\/h3\u003e\n \u003cp\u003e\n Popular add-ons depend on your build, but matching controllers, power supplies, and compatible motion parts usually make integration easier. You can also compare it with \u003ca href=\"https:\/\/circuit.rocks\/products\/line-tracking-sensor-arduino\"\u003eLine Tracking Sensor for Arduino\u003c\/a\u003e, \u003ca href=\"https:\/\/circuit.rocks\/products\/product-2548\"\u003eOptical Encoder Speed Sensor 2 Channel Module for 2WD Smart Car Tachometer\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\/line-tracking-sensor-arduino\"\u003eLine Tracking Sensor for Arduino\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003efeedback and detection\u003c\/td\u003e\n\u003ctd\u003eLine Tracking Sensor for\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/circuit.rocks\/products\/line-tracking-sensor-arduino\"\u003eView product\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/circuit.rocks\/products\/product-2548\"\u003eOptical Encoder Speed Sensor 2 Channel Module for 2WD Smart Car Tachometer\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003efeedback and detection\u003c\/td\u003e\n\u003ctd\u003e2wd, encoder\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/circuit.rocks\/products\/product-2548\"\u003eView product\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/circuit.rocks\/products\/vibration-motor\"\u003eVibration Motor Module 5V\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003egeneral project use\u003c\/td\u003e\n\u003ctd\u003e5V\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/circuit.rocks\/products\/vibration-motor\"\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\u003eSparkFun Piezo Vibration Sensor Small Horizontal - Flexible Film\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003ctd\u003eSparkFun\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eProduct Type\u003c\/th\u003e\n \u003ctd\u003eSensor\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eCategory\u003c\/th\u003e\n \u003ctd\u003eVibration Meters\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eStore Type\u003c\/th\u003e\n \u003ctd\u003eVibration Sensor\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003ePrimary SKU\u003c\/th\u003e\n \u003ctd\u003eSEN-09198\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eProduct URL\u003c\/th\u003e\n \u003ctd\u003ehttps:\/\/circuit.rocks\/products\/piezo-vibration-sensor-small-horizontal\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 Check the module voltage and interface before wiring. Most sensor modules need power, ground, and one or more signal pins, with some using analog output and others using digital or I2C.\n \u003c\/p\u003e\n\n \u003ch3\u003eWhat’s in the box\u003c\/h3\u003e\n \u003cp\u003e\n 1 × SparkFun Piezo Vibration Sensor Small Horizontal - Flexible Film\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\u003eDo I need to check the interface first?\u003c\/strong\u003e\n Yes. Some sensors use analog output, while others use digital, pulse, or bus interfaces such as I2C.\n \u003c\/div\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e","brand":"SparkFun","offers":[{"title":"Default Title","offer_id":45816058937633,"sku":"SEN-09198","price":345.0,"currency_code":"PHP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/piezo-vibration-sensor-small-horizontal-1.jpg?v=1781008722"},{"product_id":"voice-recognition-module-v3","title":"Voice Recognition Module V3 - Trainable VR","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\u003eDetect Sound and Vibration for Smarter Projects\u003c\/h2\u003e\n\n \u003cp\u003eThe \u003cstrong\u003eVoice Recognition Module V3\u003c\/strong\u003e is a sound sensor with uart designed for sound detection, knock sensing, vibration alerts, and machine monitoring. 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\u003eVoltage:\u003c\/strong\u003e 4.5V - 5.5V; \u003cstrong\u003eGeneral Output Pins:\u003c\/strong\u003e Can generate different signals when a command is recognized.; \u003cstrong\u003eMicrophone interface:\u003c\/strong\u003e 3.5mm mono-channel microphone connector and additional microphone pin..\u003c\/p\u003e\n\n \u003ch3\u003eWhy you’ll love it\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eEasy wiring:\u003c\/strong\u003e 3.5mm mono-channel microphone connector and additional microphone pin.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUseful spec:\u003c\/strong\u003e Up to 80\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eController output:\u003c\/strong\u003e Can generate different signals when a command is recognized.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePower range:\u003c\/strong\u003e 4.5V - 5.5V\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCurrent draw:\u003c\/strong\u003e \u0026lt;40mA\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eExpected accuracy:\u003c\/strong\u003e 99%\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\u003eVoice Recognition Module V3\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003esound sensor with UART\u003c\/td\u003e\n\u003ctd\u003eCurrent item\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/usb-mini-microphone\"\u003eUSB Mini Microphone\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003epH sensor\u003c\/td\u003e\n\u003ctd\u003egeneral-purpose sensing\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/sound-sensor\"\u003eSound Sensor LM386\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003esound sensor with analog and digital output\u003c\/td\u003e\n\u003ctd\u003eanalog output\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/sound-sensor-analog\"\u003eSound Sensor Analog\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003esound sensor with analog output\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 clap switches, sound meters, knock locks, machine vibration logging, and alarm triggers.\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 USB-to-serial tools, level-safe controllers, displays, and data loggers, 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\u003eVoice Recognition Module V3\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eMicrophone interface\u003c\/th\u003e\n\u003ctd\u003e3.5mm mono-channel microphone connector and additional microphone pin.\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eVoice Commands\u003c\/th\u003e\n\u003ctd\u003eUp to 80\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eInterface\u003c\/th\u003e\n\u003ctd\u003e5V TTL UART\/GPIO, 3.5mm microphone connector\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eGeneral Output Pins\u003c\/th\u003e\n\u003ctd\u003eCan generate different signals when a command is recognized.\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003ctd\u003e4.5V - 5.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eCurrent\u003c\/th\u003e\n\u003ctd\u003e\u0026lt;40mA\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eRecognition Accuracy\u003c\/th\u003e\n\u003ctd\u003e99%\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003ctd\u003e31mm x 50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/table\u003e\n\n \u003ch3\u003eWiring \u0026amp; usage notes\u003c\/h3\u003e\n \u003cp\u003eConnect power and ground, then wire \u003cstrong\u003eTX\u003c\/strong\u003e and \u003cstrong\u003eRX\u003c\/strong\u003e to a serial-capable controller at the correct logic level and baud rate.\u003c\/p\u003e\n\n \u003ch3\u003eWhat’s in the box\u003c\/h3\u003e\n \u003cp\u003e1 × Voice Recognition Module V3\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 Voice Recognition Module V3 measure?\u003c\/strong\u003e\n It is designed to measure sensor data for embedded projects.\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 UART sensor?\u003c\/strong\u003e\n This version uses UART or serial output, so you connect power plus TX and RX at the correct logic level.\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":45816071094561,"sku":"AB624","price":1265.0,"currency_code":"PHP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/voice-recognition-module-v3-1.jpg?v=1781008840"},{"product_id":"vibration-shock-sensor-801s-module-for-arduino-2","title":"Vibration \/ Shock Sensor 801S Module for Arduino","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\u003eVibration \/ Shock Sensor 801S Module for Arduino\u003c\/strong\u003e is a vibration sensor designed for sound detection, vibration alerts, and machine monitoring. 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 optical light imaging photon sensors.\u003c\/p\u003e\n\n \u003ch3\u003eWhy you’ll love it\u003c\/h3\u003e\n \u003cul\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\u003eVibration \/ Shock Sensor 801S Module for Arduino\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003evibration sensor\u003c\/td\u003e\n\u003ctd\u003eCurrent item\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/light-sensor-photoresistor-module-for-arduino-2\"\u003eLight Sensor Photoresistor Module for Arduino\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003epH sensor with analog and digital output\u003c\/td\u003e\n\u003ctd\u003eanalog output, 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 \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/line-tracking-sensor-for-arduino-tcrt5000-lm393\"\u003eLine Tracking Sensor Module for Arduino TCRT5000 LM393\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eline tracking sensor\u003c\/td\u003e\n\u003ctd\u003einfrared sensing\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 clap switches, knock locks, vibration alarms, sound level demos, and machine monitoring.\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\u003eVibration \/ Shock Sensor 801S Module for Arduino\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eCategory\u003c\/th\u003e\n\u003ctd\u003eoptical light imaging photon 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\u003eVibration \/ Shock Sensor 801S Module for Arduino\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.\u003c\/p\u003e\n\n \u003ch3\u003eWhat’s in the box\u003c\/h3\u003e\n \u003cp\u003e1 × Vibration \/ Shock Sensor 801S Module for Arduino\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 Vibration \/ Shock Sensor 801S Module for Arduino measure?\u003c\/strong\u003e\n It is designed to measure vibration, sound, or impact.\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\u003eWhat affects accuracy?\u003c\/strong\u003e\n Power quality, wiring, mounting, target material, and the real environment can all affect the reading. It is best to test and calibrate in the final setup.\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":45836684296481,"sku":"2452","price":175.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/products\/vibration-shock-sensor-801s-module-for-arduino-1845.jpg?v=1689739846"},{"product_id":"electret-microphone-amplifier-max9814-with-auto-gain-control","title":"MAX9814 Electret Mic Amplifier - Auto Gain Control AGC","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\u003eDetect Sound and Vibration for Smarter Projects\u003c\/h2\u003e\n\n \u003cp\u003eThe \u003cstrong\u003eElectret Microphone Amplifier - MAX9814 with Auto Gain Control\u003c\/strong\u003e is a ph sensor with analog output designed for sound detection, vibration alerts, and machine monitoring. 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\u003eSupply Voltage:\u003c\/strong\u003e 2.7–5.5V; \u003cstrong\u003eOutput:\u003c\/strong\u003e Analog.\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\u003eMain chip:\u003c\/strong\u003e MAX9814 (Maxim)\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUseful spec:\u003c\/strong\u003e Electret condenser\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eController output:\u003c\/strong\u003e Analog\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePower range:\u003c\/strong\u003e 2.7–5.5V\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\u003eElectret Microphone Amplifier - MAX9814 with Auto Gain Control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003epH sensor with analog output\u003c\/td\u003e\n\u003ctd\u003eCurrent item\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/mems-microphone-sound-sensor\"\u003eMEMS Microphone Breakout INMP401 ADMP401 SparkFun\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003epH sensor with analog output\u003c\/td\u003e\n\u003ctd\u003eanalog output, breakout-board format\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/mems-silicon-microphone-breakout-spw2430-adafruit\"\u003eMEMS Silicon Microphone Breakout SPW2430 Adafruit\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003epH sensor with analog output\u003c\/td\u003e\n\u003ctd\u003eanalog output, breakout-board format\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/sound-sensor\"\u003eSound Sensor LM386\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003esound sensor with analog and digital output\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 clap switches, knock locks, vibration alarms, sound level demos, and machine monitoring.\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 an Arduino or ADC-capable board, jumper wires, and a stable power source, 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\u003eElectret Microphone Amplifier - MAX9814 with Auto Gain Control\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eChip\u003c\/th\u003e\n\u003ctd\u003eMAX9814 (Maxim)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eMicrophone\u003c\/th\u003e\n\u003ctd\u003eElectret condenser\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eOutput\u003c\/th\u003e\n\u003ctd\u003eAnalog\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eSupply Voltage\u003c\/th\u003e\n\u003ctd\u003e2.7–5.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eGain\u003c\/th\u003e\n\u003ctd\u003eAutomatic (AGC) — 40\/50\/60 dB selectable max\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eCategory\u003c\/th\u003e\n\u003ctd\u003eacoustic sound vibration sensors\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/table\u003e\n\n \u003ch3\u003eWiring \u0026amp; usage notes\u003c\/h3\u003e\n \u003cp\u003eConnect power and ground, then read the sensor output with an \u003cstrong\u003eanalog-capable input\u003c\/strong\u003e or external ADC. Stable power and a clean ground help reduce noise. 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 × Electret Microphone Amplifier - MAX9814 with Auto Gain Control\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 Electret Microphone Amplifier - MAX9814 with Auto Gain Control measure?\u003c\/strong\u003e\n It is designed to measure sound level, audio activity, or optical fingerprint data.\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 sensor?\u003c\/strong\u003e\n This sensor gives an analog-style signal, so you read it with an ADC or an analog-capable input.\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":45837286048033,"sku":"2677","price":147.0,"currency_code":"PHP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/electret-microphone-amplifier-max9814-with-auto-gain-control-white.jpg?v=1778911874"},{"product_id":"usb-microphone-for-raspberry-pi-2","title":"USB Microphone for Raspberry Pi - Plug and Play","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\u003eDetect Sound and Vibration for Smarter Projects\u003c\/h2\u003e\n\n \u003cp\u003eThe \u003cstrong\u003eUSB Microphone for Raspberry Pi\u003c\/strong\u003e is a ph sensor designed for sound detection, vibration alerts, and machine monitoring. 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 4.5 V.\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\u003ePower range:\u003c\/strong\u003e 4.5 V\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eOperating frequency:\u003c\/strong\u003e 100 to 16 kHz\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUseful spec:\u003c\/strong\u003e wining - 67 dB\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSensor size:\u003c\/strong\u003e 0.7 to 0.9 M\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\u003eUSB Microphone for Raspberry Pi\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\/usb-mini-microphone\"\u003eUSB Mini Microphone\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003epH sensor\u003c\/td\u003e\n\u003ctd\u003egeneral-purpose sensing\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/mems-microphone-sound-sensor\"\u003eMEMS Microphone Breakout INMP401 ADMP401 SparkFun\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003epH sensor with analog output\u003c\/td\u003e\n\u003ctd\u003eanalog output, breakout-board format\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/electret-microphone-amplifier-max9814-with-auto-gain-control\"\u003eElectret Microphone Amplifier - MAX9814 with Auto Gain Control\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003epH sensor with analog output\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 clap switches, knock locks, vibration alarms, sound level demos, and machine monitoring.\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\u003eUSB Microphone for Raspberry Pi\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eConnect the Microphone\u003c\/th\u003e\n\u003ctd\u003ePlug the USB microphone into one of the USB ports on your Raspberry Pi. It’s like adding an ingredient to your mixing bowl; it’s essential for the final product.\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eWorking voltage\u003c\/th\u003e\n\u003ctd\u003e4.5 V\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eThe frequency response\u003c\/th\u003e\n\u003ctd\u003e100 to 16 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eSNR\u003c\/th\u003e\n\u003ctd\u003ewining - 67 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eWire length\u003c\/th\u003e\n\u003ctd\u003e0.7 to 0.9 M\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eThe sensitivity\u003c\/th\u003e\n\u003ctd\u003e- 47 dB + 4 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eLower sensitivity\u003c\/th\u003e\n\u003ctd\u003e- 3 dB at 1.5 V\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\u003eUSB Microphone for Raspberry Pi\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 × USB Microphone for Raspberry Pi\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 USB Microphone for Raspberry Pi measure?\u003c\/strong\u003e\n It is designed to measure sound level, audio activity, or optical fingerprint data.\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":"Generic","offers":[{"title":"Default Title","offer_id":45837689192737,"sku":"2797","price":99.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/usb-microphone-for-raspberry-pi-2-white.jpg?v=1778912238"},{"product_id":"wired-outdoor-siren-12v","title":"Wired Outdoor Siren 12V","description":"\u003cdiv class=\"product-copy\"\u003e\n\u003cp\u003eIntroducing the ES-626 Siren Horn, the ultimate solution for your security and emergency alert needs. Operating at 12V DC and drawing only 320 mA, this siren horn is both energy-efficient and powerful, producing a piercing 110 dB sound output. Its distinctive high-low sound pattern ensures immediate attention in any situation, making it ideal for security systems, fire alarms, and industrial warning systems. Constructed with high-quality, flame-retardant ABS plastic, the ES-626 is built to last and withstands various environmental conditions, making it suitable for both indoor and outdoor installations. Its compact and lightweight design allows for easy installation on any surface, ensuring maximum versatility. 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