{"title":"Arduino UNO","description":"\u003cp\u003eUNO R3, R4 (Minima and WiFi), and clones. The classic learn-Arduino board with the broadest shield ecosystem.\u003c\/p\u003e","products":[{"product_id":"arduino-uno-r3-ch340","title":"Arduino-Compatible UNO R3 Clone - CH340 USB, ATmega328P","description":"\u003cdiv class=\"product-copy\"\u003e\n \u003cstyle\u003e\n .product-copy { line-height: 1.75; color: #1f2937; }\n .product-copy h2 { font-size: 1.8rem; margin: 1.2rem 0 0.8rem; color: #111827; }\n .product-copy h3 { font-size: 1.2rem; margin: 1.1rem 0 0.55rem; color: #111827; }\n .product-copy p { margin: 0 0 1rem; }\n .product-copy ul { margin: 0.4rem 0 1rem 1.2rem; padding: 0; }\n .product-copy li { margin: 0.35rem 0; }\n .product-copy .note {\n background: #f8fafc;\n border-left: 4px solid #2563eb;\n padding: 12px 14px;\n border-radius: 8px;\n margin: 1rem 0 1.25rem;\n }\n .product-copy .spec-table {\n width: 100%;\n border-collapse: collapse;\n margin: 1rem 0 1.25rem;\n font-size: 1rem;\n }\n .product-copy .spec-table th,\n .product-copy .spec-table td {\n border: 1px solid #e5e7eb;\n padding: 10px 12px;\n text-align: left;\n vertical-align: top;\n }\n .product-copy .spec-table th {\n background: #f3f4f6;\n width: 34%;\n font-weight: 700;\n }\n .product-copy .faq-list {\n margin: 1rem 0 0;\n padding: 0;\n list-style: none;\n }\n .product-copy .faq {\n border: 1px solid #e5e7eb;\n border-radius: 10px;\n padding: 14px 16px;\n margin-bottom: 12px;\n background: #fff;\n }\n .product-copy .faq strong {\n display: block;\n margin-bottom: 6px;\n color: #111827;\n }\n \u003c\/style\u003e\n\n \u003ch2\u003eAffordable Uno-Compatible Board for Learning, Prototyping, and Project Builds\u003c\/h2\u003e\n\n \u003cp\u003e\n The \u003cstrong\u003eUno R3 CH340 Arduino Compatible\u003c\/strong\u003e is a practical, budget-friendly development board built around the\n \u003cstrong\u003eATmega328P\u003c\/strong\u003e. It gives you the familiar Uno form factor, standard pin layout, and wide compatibility with beginner-friendly\n tutorials, shields, sensors, and modules—making it a solid choice for students, makers, and prototype builds.\n \u003c\/p\u003e\n\n \u003cp\u003e\n This version uses the \u003cstrong\u003eCH340 USB-to-serial chip\u003c\/strong\u003e, which helps keep the board affordable while still working with the\n \u003cstrong\u003eArduino IDE\u003c\/strong\u003e. It’s great for basic coding lessons, sensor projects, robotics, automation, and electronics experiments.\n \u003c\/p\u003e\n\n \u003cdiv class=\"note\"\u003e\n \u003cstrong\u003eGood to know:\u003c\/strong\u003e Some computers detect CH340 boards automatically, while others may require a driver installation first.\n You’ll also need a \u003ca href=\"\/search?q=USB+Type+B+cable\"\u003eUSB Type-B cable\u003c\/a\u003e to connect the board to your computer.\n \u003c\/div\u003e\n\n \u003ch3\u003eWhy makers choose this board\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eBeginner-friendly:\u003c\/strong\u003e Ideal for learning programming, circuits, and microcontroller basics.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eBudget-conscious:\u003c\/strong\u003e A more affordable Uno-compatible option for school, hobby, or workshop use.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eATmega328P-based:\u003c\/strong\u003e A proven microcontroller for countless beginner and intermediate projects.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eArduino IDE compatible:\u003c\/strong\u003e Easy to program using the familiar Arduino software environment.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eShield-friendly layout:\u003c\/strong\u003e Works with many Uno-style accessories and expansion boards.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFlexible power options:\u003c\/strong\u003e Can be powered by USB or an external supply.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhat you can build\u003c\/h3\u003e\n \u003cp\u003e\n This board is a strong starting point for projects like LED effects, traffic light simulations, sensor monitoring systems,\n servo control, alarm systems, line-following robots, obstacle-avoidance robots, automatic plant watering, and classroom prototype demos.\n \u003c\/p\u003e\n\n \u003ch3\u003eStarter bundles\u003c\/h3\u003e\n \u003cp\u003e\n Pair this Uno-compatible board with a \u003ca href=\"\/search?q=breadboard\"\u003ebreadboard\u003c\/a\u003e, \u003ca href=\"\/search?q=jumper+wires\"\u003ejumper wires\u003c\/a\u003e,\n LEDs, resistors, push buttons, and basic sensors to build your first working circuits faster.\n You can also explore more options through our \u003ca href=\"\/search?q=Arduino+Compatible\"\u003eArduino Compatible\u003c\/a\u003e and\n \u003ca href=\"\/search?q=sensors\"\u003eSensors\u003c\/a\u003e selections.\n \u003c\/p\u003e\n\n \u003ch3\u003eRecommended add-ons\u003c\/h3\u003e\n \u003cp\u003e\n Common upgrades include an \u003ca href=\"\/search?q=LCD+I2C\"\u003eI2C LCD\u003c\/a\u003e, \u003ca href=\"\/search?q=ultrasonic+sensor\"\u003eultrasonic sensor\u003c\/a\u003e,\n \u003ca href=\"\/search?q=servo+motor\"\u003eservo motor\u003c\/a\u003e, \u003ca href=\"\/search?q=relay+module\"\u003erelay module\u003c\/a\u003e,\n and a \u003ca href=\"\/search?q=power+module+breadboard\"\u003ebreadboard power module\u003c\/a\u003e for easier testing and prototyping.\n \u003c\/p\u003e\n\n \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n \u003ctable class=\"spec-table\"\u003e\n \u003ctr\u003e\n \u003cth\u003eMicrocontroller\u003c\/th\u003e\n \u003ctd\u003eATmega328P\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\u003eInput Voltage (Recommended)\u003c\/th\u003e\n \u003ctd\u003e7V–12V\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eInput Voltage (Limit)\u003c\/th\u003e\n \u003ctd\u003e6V–20V\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eDigital I\/O Pins\u003c\/th\u003e\n \u003ctd\u003e14\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003ePWM Pins\u003c\/th\u003e\n \u003ctd\u003e6\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eAnalog Inputs\u003c\/th\u003e\n \u003ctd\u003e6\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eDC Current per I\/O Pin\u003c\/th\u003e\n \u003ctd\u003e20 mA\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003e3.3V Pin Current\u003c\/th\u003e\n \u003ctd\u003e50 mA\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eFlash Memory\u003c\/th\u003e\n \u003ctd\u003e32 KB (0.5 KB used by bootloader)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eSRAM\u003c\/th\u003e\n \u003ctd\u003e2 KB\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eEEPROM\u003c\/th\u003e\n \u003ctd\u003e1 KB\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eClock Speed\u003c\/th\u003e\n \u003ctd\u003e16 MHz\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eUSB Connector\u003c\/th\u003e\n \u003ctd\u003eUSB Type-B\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eUSB-to-Serial Chip\u003c\/th\u003e\n \u003ctd\u003eCH340\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eBoard Size\u003c\/th\u003e\n \u003ctd\u003e68.6 mm × 53.4 mm\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 The board follows the familiar Uno-style pin arrangement with digital pins, analog inputs, PWM-capable pins, power pins, and an ICSP header.\n You can power it through USB while programming, or use an external supply within the recommended input range for standalone projects.\n \u003c\/p\u003e\n\n \u003ch3\u003eWhat’s in the box\u003c\/h3\u003e\n \u003cp\u003e\n 1 × Uno R3 CH340 Arduino Compatible development board\n \u003c\/p\u003e\n\n \u003cp\u003e\n We ship across the Philippines, so whether you’re building a school project, a first Arduino setup, or a quick prototype, this board is a dependable and practical place to start.\n \u003c\/p\u003e\n\n \u003cul class=\"faq-list\"\u003e\n \u003cli class=\"faq\"\u003e\n \u003cstrong\u003eDoes this work with the Arduino IDE?\u003c\/strong\u003e\n Yes. It is compatible with the Arduino IDE and is commonly used for the same kinds of beginner and hobby projects as a standard Uno-style board.\n \u003c\/li\u003e\n \u003cli class=\"faq\"\u003e\n \u003cstrong\u003eWhat is the difference between CH340 and the official Uno USB chip?\u003c\/strong\u003e\n The main difference is the USB-to-serial interface chip. This version uses CH340, which is a lower-cost alternative and may require a driver on some computers.\n \u003c\/li\u003e\n \u003cli class=\"faq\"\u003e\n \u003cstrong\u003eIs this good for beginners?\u003c\/strong\u003e\n Yes. It is one of the most beginner-friendly boards for learning coding, electronics, sensors, and simple automation projects.\n \u003c\/li\u003e\n \u003cli class=\"faq\"\u003e\n \u003cstrong\u003eCan I use Uno shields with this board?\u003c\/strong\u003e\n In most cases, yes. It follows the common Uno R3-style layout used by many shields and accessories.\n \u003c\/li\u003e\n \u003cli class=\"faq\"\u003e\n \u003cstrong\u003eWhat cable do I need?\u003c\/strong\u003e\n You need a USB Type-B cable for programming and power through your computer’s USB port.\n \u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Generic","offers":[{"title":"Default Title","offer_id":45761381040417,"sku":"2507","price":255.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/arduino-uno-r3-ch340-circuitrocks.jpg?v=1780999465"},{"product_id":"dfrduino-uno","title":"DFRobot DFRduino UNO R3 - Arduino UNO Compatible Board","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\u003eBuild Faster with the Uno R3 by Dfrduino Arduino Compatible\u003c\/h2\u003e\n\n \u003cp\u003e\n Uno R3 by Dfrduino Arduino Compatible DFRduino Uno R3 is a fully Arduino Uno compatible board for learning, prototyping, and general embedded projects.\n \u003c\/p\u003e\n\n \u003cp\u003e\n It keeps the familiar Uno layout and adds DFRobot’s color-coded headers, which make sensor wiring easier to read at a glance.\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\u003eUno R3 compatible:\u003c\/strong\u003e Easy match for many tutorials and shields\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eATmega328 in DIP package:\u003c\/strong\u003e Handy for replacement and custom work\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eColor-coded headers:\u003c\/strong\u003e Faster wiring and easier port spotting\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUSB and DC input:\u003c\/strong\u003e Simple power and programming options\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eGood starter board:\u003c\/strong\u003e Strong fit for learning and general projects\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eGravity-ready:\u003c\/strong\u003e Easy plug-and-play wiring for fast setup\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhat you can build\u003c\/h3\u003e\n \u003cp\u003e\n This board is a good fit for learning, prototyping, robotics, and controller-based builds. Use it as the main brain for sensors, displays, wireless projects, and classroom or workshop demos.\n \u003c\/p\u003e\n\n \u003ch3\u003eStarter bundles\u003c\/h3\u003e\n \u003cp\u003e\n A solid starter setup includes a \u003ca href=\"\/search?q=usb+cable\"\u003eUSB cable\u003c\/a\u003e, breadboard, jumper wires, and a few \u003ca href=\"\/search?q=gravity%20sensor\"\u003eDFRobot Gravity sensors\u003c\/a\u003e or an \u003ca href=\"\/search?q=lcd\"\u003eLCD module\u003c\/a\u003e for quick testing.\n \u003c\/p\u003e\n\n \u003ch3\u003eRecommended add-ons\u003c\/h3\u003e\n \u003cp\u003e\n Useful add-ons include sensors, displays, shields, breadboards, headers, and enclosures if you are building a complete prototype or classroom kit.\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\u003eUno R3 by Dfrduino Arduino Compatible\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eSKU\u003c\/th\u003e\n \u003ctd\u003eDFR0216\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\u003eUSB\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eUno R3 compatible\u003c\/th\u003e\n \u003ctd\u003eEasy match for many tutorials and shields\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eATmega328 in DIP package\u003c\/th\u003e\n \u003ctd\u003eHandy for replacement and custom work\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eColor-coded headers\u003c\/th\u003e\n \u003ctd\u003eFaster wiring and easier port spotting\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eUSB and DC input\u003c\/th\u003e\n \u003ctd\u003eSimple power and programming options\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eGood starter board\u003c\/th\u003e\n \u003ctd\u003eStrong fit for learning and general projects\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 If you are using Gravity connectors, align the plug correctly and avoid forcing the cable into the wrong header. Use a suitable external power source for motion parts when the controller alone cannot supply enough current.\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\/product-838.html\" target=\"_blank\" rel=\"noopener\"\u003eView on DFRobot\u003c\/a\u003e\u003cbr\u003e\n Wiki \/ documentation: \u003ca href=\"https:\/\/wiki.dfrobot.com\/dfr0216\/\" target=\"_blank\" rel=\"noopener\"\u003eOpen DFRobot wiki\u003c\/a\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.dfrobot.com\/product-838.html\" target=\"_blank\" rel=\"noopener\"\u003eWiki \/ docs\u003c\/a\u003e\n \u003c\/p\u003e\n\n \u003ch3\u003eWhat’s in the box\u003c\/h3\u003e\n \u003cp\u003e\n 1 × Uno R3 by Dfrduino Arduino Compatible\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\u003eIs this a good choice for learning and prototyping?\u003c\/strong\u003e Yes. It is well suited for classroom work, hobby builds, quick tests, and project development with common modules and sensors.\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":45761468596513,"sku":"DFR0216","price":1355.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/dfrduino-uno-1.jpg?v=1781152542"},{"product_id":"arduino-uno","title":"Arduino Uno R3 ATmega328P Development Board | Original, Made in Italy","description":"\u003cdiv class=\"product-copy\"\u003e\n\u003cdiv class=\"trust-badge-box\"\u003e\n \u003cp\u003e\u003cstrong\u003e🇮🇹 Official Arduino Product (Made in Italy)\u003c\/strong\u003e\u003cbr\u003e\n You are viewing the \u003cem\u003eauthentic\u003c\/em\u003e Arduino Uno R3. Unlike cheaper clones, this board uses high-quality components and supports the original creators of Arduino.\u003c\/p\u003e\n \u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eThe Official Arduino UNO R3\u003c\/strong\u003e is the world’s most trusted beginner and prototyping board. Powered by the \u003cstrong\u003eATmega328P @ 16 MHz\u003c\/strong\u003e, it combines \u003cstrong\u003e14 digital I\/O (6 PWM)\u003c\/strong\u003e, \u003cstrong\u003e6 analog inputs\u003c\/strong\u003e, rock-solid 5V logic, and the broadest ecosystem of \u003ca title=\"View Arduino Shields\" href=\"\/collections\/arduino-shields\"\u003eArduino shields\u003c\/a\u003e, \u003ca title=\"View Sensors\" href=\"\/collections\/sensors\"\u003esensors\u003c\/a\u003e, and \u003ca title=\"View Displays\" href=\"\/collections\/displays\"\u003edisplays\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eIf you’re teaching a class, starting a professional lab, or bootstrapping a product idea in the Philippines, this is the reliable choice.\u003c\/p\u003e\n\u003ch2\u003eWhy Buy the Official Board? (vs. Clones)\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug \u0026amp; Play Reliability:\u003c\/strong\u003e Uses the genuine \u003cstrong\u003eATmega16U2\u003c\/strong\u003e USB chip. No need to hunt for \"CH340\" drivers or deal with connection dropouts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial Quality:\u003c\/strong\u003e Manufactured in Italy with high-grade PCBs that withstand repeated soldering and classroom abuse.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupport Open Source:\u003c\/strong\u003e A portion of your purchase funds the development of the Arduino IDE and new libraries you use every day.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat You Can Build\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSTEM Projects:\u003c\/strong\u003e Traffic light controllers, automated temperature loggers, distance meters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHome Automation:\u003c\/strong\u003e Smart plant watering systems (relay + soil sensor), motion-activated alarms (PIR).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobotics:\u003c\/strong\u003e Line followers and 2WD cars using \u003ca href=\"\/search?q=motor+shield+Arduino\"\u003emotor shields\u003c\/a\u003e and \u003ca href=\"\/collections\/sensors\"\u003eIMU sensors\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eStarter Bundles (Quick Picks)\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUNO Learning Kit:\u003c\/strong\u003e UNO R3 + \u003ca href=\"\/search?q=USB+A+to+B\"\u003eUSB-B cable\u003c\/a\u003e + \u003ca href=\"\/search?q=breadboard+jumper+wires\"\u003ebreadboard \u0026amp; jumpers\u003c\/a\u003e + \u003ca href=\"\/collections\/sensors\"\u003ebasic sensors\u003c\/a\u003e + \u003ca href=\"\/collections\/displays\"\u003e0.96″ OLED\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Lab:\u003c\/strong\u003e UNO R3 + \u003ca href=\"\/collections\/sensors\"\u003eBME280\u003c\/a\u003e + \u003ca href=\"\/search?q=HC-SR04\"\u003eHC-SR04\u003c\/a\u003e + \u003ca href=\"\/search?q=relay+module+arduino\"\u003erelay\u003c\/a\u003e + \u003ca href=\"\/search?q=data+logging+shield+arduino\"\u003edata logging shield\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobot Starter:\u003c\/strong\u003e UNO R3 + \u003ca href=\"\/search?q=2WD+robot+car+kit\"\u003e2WD chassis\u003c\/a\u003e + \u003ca href=\"\/search?q=motor+shield+Arduino\"\u003eL293D shield\u003c\/a\u003e + \u003ca href=\"\/collections\/power-supplies\"\u003ebattery\/PSU\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e⚠️ Essential Add-Ons (Not Included in Box)\u003c\/h2\u003e\n\u003cdiv class=\"alert-box\"\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e The official box \u003cstrong\u003edoes not\u003c\/strong\u003e include a USB cable.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/search?q=USB+A+to+B\"\u003e\u003cstrong\u003eAdd a USB-B Cable here\u003c\/strong\u003e\u003c\/a\u003e (Required for programming)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eOther Recommended Parts:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/sensors\"\u003eSensor packs\u003c\/a\u003e (DHT22, PIR, HC-SR04, IMU, light)\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/displays\"\u003eDisplays\u003c\/a\u003e (1602 LCD, OLED, TFT)\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/power-supplies\"\u003e9V\/12V Power Supply\u003c\/a\u003e \u0026amp; \u003ca href=\"\/search?q=barrel+jack+adapter+5.5x2.1mm\"\u003eBarrel Jack Adapter\u003c\/a\u003e (For standalone power)\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/cases-for-arduino\"\u003eProtective Cases\u003c\/a\u003e (Clear acrylic, ABS)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMicrocontroller\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eATmega328P (8-bit AVR) @ 16 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 V logic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7–12 V (via DC jack)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDigital I\/O Pins\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14 (D0–D13), includes 6 PWM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAnalog Inputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6 (A0–A5), 10-bit ADC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFlash Memory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e32 KB (0.5 KB used by bootloader)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUSB Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eATmega16U2\u003c\/strong\u003e (Official High-Speed Chip)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e68.6 × 53.4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003ePinout \u0026amp; Power Tips\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSPI via ICSP:\u003c\/strong\u003e Use the 6-pin ICSP header for reliable SPI communication.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Warning:\u003c\/strong\u003e This is a 5V board. If using 3.3V modules, use a \u003ca href=\"\/search?q=logic+level+converter\"\u003elogic level converter\u003c\/a\u003e to protect your components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1x Official Arduino UNO R3 Board\u003c\/li\u003e\n\u003cli\u003e1x Plastic Board Holder\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e(No cables or stickers included)\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"faq-list\"\u003e\n\u003ch3\u003eFAQs – Arduino UNO R3 (Philippines)\u003c\/h3\u003e\n\u003cdetails class=\"faq\"\u003e\n\u003csummary\u003eIs this the original Arduino or a clone?\u003c\/summary\u003e\n\u003cdiv\u003eThis is 100% Original, manufactured in Italy. Circuitrocks is an authorized distributor. We guarantee authentic components and build quality.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"faq\"\u003e\n\u003csummary\u003eIs this good for beginners?\u003c\/summary\u003e\n\u003cdiv\u003eYes! It is the standard board for education. It works instantly with the Arduino IDE without complex driver installation.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"faq\"\u003e\n\u003csummary\u003eDo you ship nationwide?\u003c\/summary\u003e\n\u003cdiv\u003eYes. We ship via J\u0026amp;T, LBC, and other partners across the Philippines. We also accept Purchase Orders (POs) for schools and universities.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\n \/* Base Layout *\/\n .product-copy { line-height: 1.7; font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Helvetica, Arial, sans-serif; }\n .product-copy \u003e * + * { margin-top: 1rem; }\n .product-copy h2 { margin: 1.5em 0 0.8em; border-bottom: 2px solid #f4f4f4; padding-bottom: 5px; }\n .product-copy ul, .product-copy ol { margin-left: 1.2em; margin-bottom: 1.2em; }\n \n \/* Tables *\/\n .product-copy table { width: 100%; border-collapse: collapse; margin: 1.2em 0; font-size: 0.95em; }\n .product-copy table td { border: 1px solid #e0e0e0; padding: 0.6em 0.8em; }\n .product-copy table tr:nth-child(even) { background-color: #fcfcfc; }\n \n \/* Trust Badge Box *\/\n .trust-badge-box { background: #eef9fe; border-left: 5px solid #00979d; padding: 1rem; border-radius: 4px; color: #333; }\n \n \/* Alert Box for Missing Items *\/\n .alert-box { background: #fff4e5; border: 1px solid #ffe0b2; padding: 1rem; border-radius: 8px; }\n .alert-box a { color: #d32f2f; font-weight: bold; text-decoration: underline; }\n\n \/* FAQs *\/\n .faq-list { margin-top: 2rem; }\n .faq { border: 1px solid #e0e0e0; border-radius: 8px; padding: 0.8rem 1rem; margin-bottom: 0.8rem; background: #fafafa; }\n .faq summary { font-weight: 700; cursor: pointer; color: #333; outline: none; }\n .faq[open] summary { margin-bottom: 0.5rem; color: #00979d; }\n\n @media (min-width: 768px) { .product-copy { font-size: 1.05rem; } }\n\u003c\/style\u003e","brand":"Arduino","offers":[{"title":"Default Title","offer_id":45761497399585,"sku":"A000066I","price":2898.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/arduino-uno-circuitrocks.jpg?v=1780999235"},{"product_id":"arduino-acrylic-enclosure","title":"Arduino Uno R3 Acrylic Enclosure - Clear Project Case","description":"\u003cdiv class=\"product-copy\"\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: bold;\"\u003eArduino Uno R3 Acrylic Enclosure \u003c\/span\u003e - Arduino Uno has an exposed circuit that is prone to short circuits. This enclosure would keep your Arduino Uno from getting short circuit even if placed on top of a metal surface.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThis kit includes 6 pcs unassembled acrylic parts; 2 of them are the base and the lid, 2 for the sides, and the last 2 is for the front and back part of the Arduino Uno. It also has screws for mounting the Arduino Uno into this Acrylic case as well as closing the lid of the case.\u003c\/p\u003e\n\u003cp\u003eThis acrylic case fits the Arduino Uno perfectly.\u003c\/p\u003e\n\u003ch2\u003eAcrylic Case Shell Enclosure for Arduino Uno R3\u003c\/h2\u003e\n\u003cp\u003eIt is a transparent case shell made of high-grade acrylic to bring excellent protection to the unit. Further, the case provides a flexible design to create an easy mechanism for connections with other components. The astonishingaspect is that the acrylic case shell enclosure brings the same size as the original Arduino Uno R3.\u003c\/p\u003e\n\u003cp\u003eSome of the physical parameters are as follow:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eMaterial: A-grade acrylic sheet\u003c\/li\u003e\n\u003cli\u003eWeight: 53 grams\u003c\/li\u003e\n\u003cli\u003eDimensions: 79.5 x 64.5 x 21 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe Arduino Uno R3 acrylic enclosure is primarily designed to fit the original Arduino UNO R3. Alongside, the unit is also compatible with other boards, including the standard and SDM versions.It ensures excellent connection establishment along with delivering great protection to the board.\u003c\/p\u003e\n\u003cp\u003eWhen it comes to assembling the unit, the system encompasses 2.4mm thick acrylic pieces. It also snatches the required hardware to assemble the case and to mount the Arduino Uno. Compatible boards can also be placed inside the enclosure for the perfect mechanism settings.\u003c\/p\u003e\n\u003ch3\u003eAcrylic Case Shell Enclosure – Guidelines to Assemble the Unit\u003c\/h3\u003e\n\u003cp\u003eWell, installing the acrylic case shell enclosure can be a bit technical process. If you want to get things in the right place, make sure to follow the undermentioned guidelines:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eFirst, put protective paper off the acrylic pieces.\u003c\/li\u003e\n\u003cli\u003eNow, you can place the UNO on the solid bottom by making sure to mount the holes in the right line.\u003c\/li\u003e\n\u003cli\u003eEmbed the acrylic end piece by keeping it under the USB\/DC jack into the bottom piece.\u003c\/li\u003e\n\u003cli\u003eFurther, you can install the Uno board unit using 4 screws. Place the acrylic washer under the board to space it up a bit. Of course, this may be the most technical aspect where you need to be a bit vigilant. Inserting screws from the top to the bottom can be easier. But putting the screws from the bottom and the cardboard to hold it in place can also be another way to attempt the effort.\u003c\/li\u003e\n\u003cli\u003eHereafter, a user needs to add acrylic washers before putting the board down over the screws.\u003c\/li\u003e\n\u003cli\u003eNow, you can add nuts lightly and then tighten the screws after getting everything together.\u003c\/li\u003e\n\u003cli\u003eNow, you can install the remaining 3 parts of the side and add the top piece by ensuring all units, tables, and slots are aligned correctly.\u003c\/li\u003e\n\u003cli\u003eIn the end, you’ll have to fasten the bottom to top units using 4 long screws and 4 nuts to complete the assembling process.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAcrylic Case Shell Enclosure for Arduino Uno R3 is a potent unit to protect your technical Arduino Uno systems. Alongside snug-fit design, it also provides efficient connectivity with other external components, thanks to the competent design profiles.\u003c\/p\u003e\n\u003ch4\u003eKey Specifications\u003c\/h4\u003e\n\n\u003cul\u003e\n\u003cli\u003eScrew copper pillar and installation guidelines\u003c\/li\u003e\n\u003cli\u003eRequires no tools\u003c\/li\u003e\n\u003cli\u003eEasy assembling and disassembling\u003c\/li\u003e\n\u003cli\u003eLight and easy transportation\u003c\/li\u003e\n\u003cli\u003eGood heat dissipation\u003c\/li\u003e\n\u003cli\u003eProvides easy access to all units and parts\u003c\/li\u003e\n\u003cli\u003eProtects your computer from dust, scratches, and damages\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cstyle\u003e\n.product-copy{line-height:1.7}\n.product-copy \u003e * + *{margin-top:1rem}\n.product-copy h2{margin:1.4em 0 .6em}\n.product-copy p{margin:0 0 1em}\n.product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n.product-copy li{margin:.35em 0}\n.product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n.product-copy table th,\n.product-copy table td{border:1px solid #eee;padding:.6em .75em;text-align:left}\n.faq-list{margin:1.2rem 0 1.4rem}\n.faq{border:1px solid #e6e6e6;border-radius:12px;padding:.75rem 1rem;margin:.6rem 0;background:#fafafa}\n.faq summary{font-weight:600;cursor:pointer}\n@media (min-width:768px){ .product-copy{font-size:1.02rem} }\n\u003c\/style\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":45812567834913,"sku":"AJ185","price":55.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/products\/arduino-uno-r3-acrylic-enclosure-290.jpg?v=1689656882"},{"product_id":"metro-328-adafruit-without-headers-atmega328","title":"Adafruit METRO 328 Development Board - ATmega328, No Headers","description":"\u003cdiv class=\"product-copy\"\u003e\n\u003cp\u003e\u003cstrong\u003eAdafruit METRO 328 without Headers - ATmega328\u003c\/strong\u003e is an official Adafruit product available from Circuitrocks, an official distributor of Adafruit. An Arduino Uno-style development board built around the ATmega328, ideal for prototyping and teaching.\u003c\/p\u003e\n\n\u003ch2\u003eWhy choose this Adafruit board or module?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFamiliar ATmega328 development platform\u003c\/li\u003e\n\u003cli\u003eCompatible with many Arduino-style shields and workflows\u003c\/li\u003e\n\u003cli\u003eGood for education, prototyping, and general embedded use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat you can build\u003c\/h2\u003e\n\u003cp\u003eArduino-compatible prototypes, Classroom builds, Sensor and control projects.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical description\u003c\/h2\u003e\n\u003cp\u003eAdafruit METRO 328 without Headers - ATmega328 is designed for makers, engineers, and educators who need a genuine Adafruit part with dependable documentation, known compatibility, and easy access to official support material. It is a practical choice for prototyping, testing, and repeatable electronics builds.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003ctable\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n\u003cth\u003eMCU\u003c\/th\u003e\n\u003ctd\u003eATmega328\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eClock\u003c\/th\u003e\n\u003ctd\u003e16 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLogic level\u003c\/th\u003e\n\u003ctd\u003e5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eI\/O\u003c\/th\u003e\n\u003ctd\u003e20 digital I\/O, 6 analog inputs typical METRO\/UNO class\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eForm factor\u003c\/th\u003e\n\u003ctd\u003eArduino-compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUSB\u003c\/th\u003e\n\u003ctd\u003eOnboard USB-serial support\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003ePinout \u0026amp; power notes\u003c\/h2\u003e\n\u003cp\u003eSold without headers for cleaner custom assembly or low-profile installs.\u003c\/p\u003e\n\n\u003ch2\u003eWhat’s in the box\u003c\/h2\u003e\n\u003cp\u003eBoard only, no headers.\u003c\/p\u003e\n\n\u003ch2\u003eOfficial resources\u003c\/h2\u003e\n\u003cp\u003eManufacturer product page: \u003ca href=\"https:\/\/www.adafruit.com\/product\/2466\" target=\"_blank\" rel=\"noopener noreferrer\"\u003ehttps:\/\/www.adafruit.com\/product\/2466\u003c\/a\u003e\u003cbr\u003e\nGuide \/ tutorial: \u003ca href=\"https:\/\/learn.adafruit.com\/adafruit-metro-328\" target=\"_blank\" rel=\"noopener noreferrer\"\u003ehttps:\/\/learn.adafruit.com\/adafruit-metro-328\u003c\/a\u003e\u003cbr\u003e\nDatasheet \/ downloads \/ documentation: \u003ca href=\"https:\/\/learn.adafruit.com\/adafruit-metro-328\" target=\"_blank\" rel=\"noopener noreferrer\"\u003ehttps:\/\/learn.adafruit.com\/adafruit-metro-328\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cdiv class=\"faq-list\"\u003e\n \u003cdiv class=\"faq\"\u003e\n \u003cstrong\u003eQ: Is this compatible with Arduino Uno-style shields?\u003c\/strong\u003e\n \u003cp\u003eA: It is designed as an Arduino-compatible METRO\/UNO-class board.\u003c\/p\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cp\u003eNeed this for a student build, prototype, or production-ready electronics project? Circuitrocks helps makers, schools, and developers source genuine Adafruit products with access to official documentation and manufacturer references.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Adafruit","offers":[{"title":"Default Title","offer_id":45812574060833,"sku":"2466","price":1087.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/metro-328-adafruit-without-headers-atmega328-1.jpg?v=1781003169"},{"product_id":"arduino-uno-esp8266-espduino-wifi-board","title":"ESP8266 WeMos D1 WiFi Board - Arduino UNO Footprint","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;font-size:.97em}\n .product-copy table th,.product-copy table td{border:1px solid #e5e7eb;padding:.65em .8em;text-align:left;vertical-align:top}\n .product-copy table th{background:#f9fafb}\n .product-copy table thead th{background:#f3f4f6;font-weight:600;color:#374151}\n .product-copy table tbody tr:nth-child(even) td{background:#fafafa}\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 .badge{display:inline-block;background:#dbeafe;color:#1d4ed8;border-radius:6px;padding:.1em .55em;font-size:.85em;font-weight:600;margin-right:.3em}\n\u003c\/style\u003e\n\n\u003ch2\u003eArduino UNO Form Factor + ESP8266 WiFi — Use Your Existing Shields\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eWeMos D1 WiFi ESP8266 Board\u003c\/strong\u003e combines the familiar Arduino UNO form factor with the ESP8266 WiFi chip —\ngiving you a WiFi-capable board that fits all your existing Arduino UNO shields.\nIf you have invested in motor shields, display shields, relay shields, or sensor shields for the UNO, this board lets you add WiFi without redesigning your stack.\u003c\/p\u003e\n\u003cp\u003eIt programs via the standard Arduino IDE with the ESP8266 board package, so your existing Arduino sketches need minimal modification. Just swap the board, add your WiFi credentials, and your project goes online.\u003c\/p\u003e\n\n\u003ch3\u003eWeMos D1 vs NodeMCU V3 — which ESP8266 dev board fits your project?\u003c\/h3\u003e\n\u003ctable\u003e\n \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eWeMos D1 (this board)\u003c\/th\u003e\n\u003cth\u003eNodeMCU V3\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eForm factor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eArduino UNO — fits UNO shields\u003c\/td\u003e\n\u003ctd\u003eNodeMCU — breadboard-friendly\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShield compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e✅ Full Arduino UNO shield stack\u003c\/td\u003e\n\u003ctd\u003e❌ Not UNO shield compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGPIO count\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11 digital + 1 analog\u003c\/td\u003e\n\u003ctd\u003e11 digital + 1 analog\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBest for\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUpgrading existing UNO shield-based projects to WiFi\u003c\/td\u003e\n\u003ctd\u003eNew breadboard IoT builds\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLarger (UNO footprint)\u003c\/td\u003e\n\u003ctd\u003eCompact\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eArduino UNO shield compatible:\u003c\/strong\u003e Reuse your existing motor, relay, display shields\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eESP8266 WiFi onboard:\u003c\/strong\u003e 802.11 b\/g\/n, no external module needed\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMicro-USB powered:\u003c\/strong\u003e Program and power from any USB port\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e11 digital I\/O + 1 analog:\u003c\/strong\u003e Same GPIO count as NodeMCU\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e3.3V logic:\u003c\/strong\u003e Use a level shifter for 5V sensors\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eArduino IDE ready:\u003c\/strong\u003e Select \"WeMos D1 R1\" or \"Generic ESP8266\" in board manager\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n\u003cth\u003eCore Chip\u003c\/th\u003e\n\u003ctd\u003eESP8266 (ESP-12F module)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eForm Factor\u003c\/th\u003e\n\u003ctd\u003eArduino UNO compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eUSB Bridge\u003c\/th\u003e\n\u003ctd\u003eCH340G\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eFlash Memory\u003c\/th\u003e\n\u003ctd\u003e4 MB\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eDigital GPIO\u003c\/th\u003e\n\u003ctd\u003e11 (PWM, I2C, SPI, UART)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eAnalog Input\u003c\/th\u003e\n\u003ctd\u003e1 × ADC (0–3.3V)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003ePower Input\u003c\/th\u003e\n\u003ctd\u003eMicro-USB or VIN (9V recommended)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eWiFi\u003c\/th\u003e\n\u003ctd\u003e802.11 b\/g\/n, 2.4 GHz\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eLogic Level\u003c\/th\u003e\n\u003ctd\u003e3.3V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdiv class=\"faq-list\"\u003e\n \u003cdiv class=\"faq\"\u003e\n\u003cstrong\u003eWill all my Arduino UNO shields work?\u003c\/strong\u003e Physically yes — the pin headers match. Electrically note that this board operates at 3.3V logic, not 5V. Shields that rely on 5V logic may need level shifting.\u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n\u003cstrong\u003eHow do I program it?\u003c\/strong\u003e Install the CH340 driver, add the ESP8266 board package URL in Arduino IDE preferences, and select \"WeMos D1 R1\" from the board list.\u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n\u003cstrong\u003eIs it the same as NodeMCU?\u003c\/strong\u003e Same ESP8266 chip and GPIO capability, different form factor. WeMos D1 fits UNO shields; NodeMCU is better for breadboards.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Generic","offers":[{"title":"Default Title","offer_id":45812698415393,"sku":"AC023","price":259.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/arduino-uno-esp8266-espduino-wifi-board-hires.jpg?v=1778921283"},{"product_id":"arduino-uno-wifi-esp8266","title":"Arduino Uno WiFi Rev2 ATmega4809 Development Board | Original","description":"\u003cstyle\u003e\n\/* Bigger, clearer Technical Specs table *\/\n.product-copy table{font-size:clamp(0.98rem, 0.94rem + 0.25vw, 1.08rem); line-height:1.6}\n.product-copy table th,\n.product-copy table td{padding:.75em 1em; border:1px solid #e9e9e9}\n.product-copy table th{font-weight:700; background:#fafafa}\n.product-copy h2 + table{margin-top:.8em}\n\n\/* Optional: tighten on very small screens *\/\n@media (max-width:480px){\n .product-copy table{font-size:1.02rem}\n .product-copy table th,\n .product-copy table td{padding:.65em .75em}\n}\n\n\/* If your theme still overrides it, uncomment the !important line *\/\n\/\/ .product-copy table{font-size:1.08rem !important}\n\u003c\/style\u003e\n\n\u003cdiv class=\"product-copy\"\u003e\n\u003cp\u003e\u003cstrong\u003eArduino Uno WiFi Rev2\u003c\/strong\u003e upgrades the classic UNO with built-in \u003cstrong\u003eWi-Fi \u0026amp; Bluetooth® Low Energy\u003c\/strong\u003e via the \u003cstrong\u003eu-blox NINA-W102\u003c\/strong\u003e module, a secure \u003cstrong\u003eATECC608 crypto\u003c\/strong\u003e chip for TLS, and a 6-axis \u003cstrong\u003eIMU (accelerometer + gyro)\u003c\/strong\u003e—all while keeping the familiar UNO form factor for shields and classroom workflows. It’s the easiest entry to IoT dashboards, data logging, and wireless robotics in the Philippines.\u003c\/p\u003e\n\u003ch2\u003eUNO, Now Wireless — Wi-Fi + BLE, IMU \u0026amp; Crypto On-Board\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern connectivity:\u003c\/strong\u003e Wi-Fi 2.4 GHz and BLE built in; use Arduino’s \u003cem\u003eWiFiNINA\u003c\/em\u003e and \u003cem\u003eArduinoBLE\u003c\/em\u003e libraries for fast prototypes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure by design:\u003c\/strong\u003e ATECC608 hardware crypto for secure connections and certificates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotion sensing:\u003c\/strong\u003e 6-axis IMU for orientation, taps, tilt—great for wearables, robots, UI gestures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStill an UNO:\u003c\/strong\u003e 14 digital I\/O (5 PWM), 6 analog, 5 V logic, R3-compatible footprint.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eATmega4809 headroom:\u003c\/strong\u003e 48 KB Flash \/ 6 KB SRAM for larger sketches than classic UNO.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat you can build\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIoT dashboards:\u003c\/strong\u003e stream sensor data to web\/MQTT with \u003ca href=\"\/collections\/sensors\"\u003eBME280, DHT22, ToF\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotion-aware projects:\u003c\/strong\u003e gesture-controlled lamps, counters, tilt alarms using the on-board IMU\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWireless robots:\u003c\/strong\u003e BLE teleop + Wi-Fi telemetry; add a \u003ca href=\"\/search?q=motor+shield+Arduino\"\u003emotor shield\u003c\/a\u003e and \u003ca href=\"\/collections\/displays\"\u003eOLED\/TFT\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure devices:\u003c\/strong\u003e TLS to APIs with the crypto chip; log to \u003ca href=\"\/search?q=data+logging+shield+arduino\"\u003emicroSD+RTC shields\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eStarter bundles (quick picks)\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWi-Fi Starter:\u003c\/strong\u003e Uno WiFi Rev2 + \u003ca href=\"\/search?q=USB+Micro+B+cable\"\u003eUSB data cable\u003c\/a\u003e + \u003ca href=\"\/collections\/sensors\"\u003esensor pack\u003c\/a\u003e + \u003ca href=\"\/collections\/displays\"\u003e0.96″–1.3″ OLED\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotion Kit:\u003c\/strong\u003e Uno WiFi Rev2 + IMU examples + buzzer + LEDs + \u003ca href=\"\/search?q=protoshield+arduino\"\u003eproto shield\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobot Builder:\u003c\/strong\u003e Uno WiFi Rev2 + \u003ca href=\"\/search?q=TB6612FNG+motor+driver\"\u003eTB6612FNG\u003c\/a\u003e + \u003ca href=\"\/search?q=2WD+robot+car+kit\"\u003e2WD chassis\u003c\/a\u003e + \u003ca href=\"\/collections\/power-supplies\"\u003ebattery\/PSU\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRecommended add-ons\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/search?q=USB+Micro+B+cable\"\u003eUSB data cable\u003c\/a\u003e (check photos for connector) \u0026amp; \u003ca href=\"\/collections\/power-supplies\"\u003e5 V\/7–12 V power\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/arduino-shields\"\u003eShields\u003c\/a\u003e (motor, relay, Ethernet, proto)\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/displays\"\u003eDisplays\u003c\/a\u003e (OLED\/LCD\/TFT) \u0026amp; \u003ca href=\"\/collections\/sensors\"\u003esensors\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/tools\"\u003eTools\u003c\/a\u003e \u0026amp; \u003ca href=\"\/collections\/multimeters-accessories\"\u003emultimeter\u003c\/a\u003e for bring-up\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/cases-for-arduino\"\u003eCases \u0026amp; mounting\u003c\/a\u003e (tall lids for stacked shields)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMicrocontroller\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eATmega4809 @ 16 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWireless module\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eu-blox NINA-W102 (Wi-Fi 802.11 b\/g\/n, BLE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSecurity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eATECC608 hardware crypto (secure element)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIMU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6-axis accelerometer + gyroscope (LSM6DS3TR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 V logic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7–12 V recommended (VIN\/barrel); USB supported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDigital I\/O\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14 (5 PWM)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAnalog inputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6 (10-bit ADC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMemory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFlash 48 KB • SRAM 6 KB • EEPROM 256 B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePorts \u0026amp; headers\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSB, power jack, ICSP, RESET\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e68.6 × 53.4 mm (UNO R3 footprint)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003ePinout \u0026amp; power notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePWM count:\u003c\/strong\u003e Uno WiFi Rev2 exposes \u003cem\u003e5\u003c\/em\u003e PWM pins (different from UNO R3’s 6).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLibraries:\u003c\/strong\u003e Use \u003cem\u003eWiFiNINA\u003c\/em\u003e for Wi-Fi and \u003cem\u003eArduinoBLE\u003c\/em\u003e for BLE; IMU with \u003cem\u003eArduino_LSM6DS3\u003c\/em\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePorting sketches:\u003c\/strong\u003e A compatibility layer lets many ATmega328P UNO sketches run on ATmega4809; direct register code may need changes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat’s in the box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eArduino Uno WiFi Rev2 board\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- FAQs (standard design) --\u003e\n\u003cdiv class=\"faq-list\"\u003e\n\u003ch3\u003eFAQs – Arduino Uno WiFi Rev2 (Philippines)\u003c\/h3\u003e\n\u003cdetails class=\"faq\"\u003e\n\u003csummary\u003eIs this compatible with my existing UNO shields?\u003c\/summary\u003e\n\u003cdiv\u003eYes—same UNO R3 footprint and 5 V logic. For SPI shields, use the ICSP header and confirm chip-select pins.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"faq\"\u003e\n\u003csummary\u003eHow do I get online quickly?\u003c\/summary\u003e\n\u003cdiv\u003eInstall the \u003cem\u003eWiFiNINA\u003c\/em\u003e library in the Arduino IDE and try the WiFi examples (ScanNetworks, ConnectWithWPA, SimpleWebServer, etc.).\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"faq\"\u003e\n\u003csummary\u003eDoes it support Bluetooth®?\u003c\/summary\u003e\n\u003cdiv\u003eYes—the NINA-W102 module provides BLE (and classic Bluetooth®). Use the \u003cem\u003eArduinoBLE\u003c\/em\u003e examples to start.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"faq\"\u003e\n\u003csummary\u003eDo you ship nationwide and support school\/corporate orders?\u003c\/summary\u003e\n\u003cdiv\u003eYes. We ship nationwide across the Philippines and can prepare classroom bundles and bulk quotations on request.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Arduino","offers":[{"title":"Default Title","offer_id":45812707524897,"sku":"DEV-14871","price":5352.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/products\/arduino-uno-wifi-r2-825.jpg?v=1689659241"},{"product_id":"arduino-uno-acrylic-base","title":"Arduino Uno Acrylic Base Mounting Plate","description":"\u003cdiv class=\"product-copy\"\u003e\n\n\u003cp\u003eArduino UNO is a very popular product, many makers to use it to build their own project.\u003c\/p\u003e\n\u003cp\u003eWe compared a variety of different colors and materials, after repeated screening, and ultimately to select it: 68% transmittance, milky white, double-sided frosted acrylic panels. High precision laser cutting and high-quality raw materials to produce this beautiful base.\u003c\/p\u003e\n\u003cp\u003eIt can be installed under your UNO. It will protect the board and make it more Eye-catching! Just for the nice looking  worth to your UNO with a UNO Base.\u003c\/p\u003e\n\u003cp\u003eIt is also compatible with Arduino Leonardo.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: bold;\"\u003eSPECIFICATION\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cul\u003e\u003cli\u003eThickness：6±0.5mm (0.24±0.02\")\u003c\/li\u003e\u003c\/ul\u003e\n\n\u003cp\u003e\u003cspan style=\"font-weight: bold;\"\u003eDOCUMENTS\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cul\u003e\u003cli\u003e\n\u003ca href=\"http:\/\/image.dfrobot.com\/image\/data\/DWG0003\/UNO%20Base_V1.0-Model.pdf\" target=\"_blank\" style=\"\"\u003eDimension drawings\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\u003c\/ul\u003e\n\n\u003cp\u003e\u003cspan style=\"font-weight: bold;\"\u003ePACKAGE LIST;\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 700;\"\u003eSHIPPING LIST\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eAcrylic UNO Base x1\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eM3 * 6 nylon column x4\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eM3 * 10 screw x4\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eM3 nut x4\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/div\u003e\n\n\u003cstyle\u003e\n.product-copy{line-height:1.7}\n.product-copy \u003e * + *{margin-top:1rem}\n.product-copy h2{margin:1.4em 0 .6em}\n.product-copy p{margin:0 0 1em}\n.product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n.product-copy li{margin:.35em 0}\n.product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n.product-copy table th,\n.product-copy table td{border:1px solid #eee;padding:.6em .75em;text-align:left}\n.faq-list{margin:1.2rem 0 1.4rem}\n.faq{border:1px solid #e6e6e6;border-radius:12px;padding:.75rem 1rem;margin:.6rem 0;background:#fafafa}\n.faq summary{font-weight:600;cursor:pointer}\n@media (min-width:768px){ .product-copy{font-size:1.02rem} }\n\u003c\/style\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":45813912338721,"sku":"DWG0003","price":233.0,"currency_code":"PHP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/arduino-uno-acrylic-base-hires.jpg?v=1778921283"},{"product_id":"arduino-uno-r3-board-atmega328","title":"Arduino-Compatible UNO R3 Clone - ATmega328 Board","description":"\u003cdiv class=\"product-copy\"\u003e\n\n \u003cp\u003e\u003cstrong\u003eArduino UNO R3 compatible board\u003c\/strong\u003e built around the classic \u003cstrong\u003eATmega328P @ 16 MHz\u003c\/strong\u003e. It combines \u003cstrong\u003e14 digital I\/O (6 PWM)\u003c\/strong\u003e, \u003cstrong\u003e6 analog inputs\u003c\/strong\u003e, solid 5 V logic, and full compatibility with the huge ecosystem of \u003ca href=\"\/collections\/arduino-shields\"\u003eArduino shields\u003c\/a\u003e, \u003ca href=\"\/collections\/sensors\"\u003esensors\u003c\/a\u003e, and \u003ca href=\"\/collections\/displays\"\u003edisplays\u003c\/a\u003e. Ideal as a first microcontroller board or a dependable workhorse for prototyping and embedded projects.\u003c\/p\u003e\n\n \u003ch2\u003eWhy Makers Choose This UNO R3-Compatible Board\u003c\/h2\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eBeginner-friendly \u0026amp; well-documented:\u003c\/strong\u003e Works with the standard Arduino IDE, examples, and libraries out of the box.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e5 V shield compatibility:\u003c\/strong\u003e R3 footprint and pinout mean instant add-ons for motor control, Ethernet, LCDs, relays, and more.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFlexible power options:\u003c\/strong\u003e Program via USB-B; power from USB or DC jack (recommended 7–12 V) for standalone projects.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eReliable platform:\u003c\/strong\u003e Stable hardware design that’s great for repeated use in labs, classrooms, or project benches.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch2\u003eWhat You Can Build\u003c\/h2\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eSTEM projects:\u003c\/strong\u003e traffic lights, temperature loggers, distance meters, datalogging with RTC + microSD\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHome \u0026amp; hobby:\u003c\/strong\u003e smart plant watering (relay + soil sensor), door alarms (PIR), IR remote controllers\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eRobotics:\u003c\/strong\u003e line followers and 2WD cars with \u003ca href=\"\/search?q=motor+shield+Arduino\"\u003emotor shields\u003c\/a\u003e and \u003ca href=\"\/collections\/sensors\"\u003eIMU\/ToF sensors\u003c\/a\u003e\n\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eWearables \u0026amp; interaction:\u003c\/strong\u003e LED wearables, sound-reactive lights, simple MIDI controllers\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eIoT \u0026amp; automation:\u003c\/strong\u003e connect to WiFi modules, log data, and control relays or actuators\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch2\u003eStarter Bundles (Quick Picks)\u003c\/h2\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eUNO Learning Kit:\u003c\/strong\u003e UNO R3-compatible board + \u003ca href=\"\/search?q=USB+A+to+B\"\u003eUSB-B cable\u003c\/a\u003e + \u003ca href=\"\/search?q=breadboard+jumper+wires\"\u003ebreadboard \u0026amp; jumpers\u003c\/a\u003e + \u003ca href=\"\/collections\/sensors\"\u003ebasic sensors\u003c\/a\u003e + \u003ca href=\"\/collections\/displays\"\u003e0.96″ OLED\u003c\/a\u003e\n\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSensor Lab:\u003c\/strong\u003e UNO R3-compatible board + \u003ca href=\"\/collections\/sensors\"\u003eBME280\u003c\/a\u003e + \u003ca href=\"\/search?q=HC-SR04\"\u003eHC-SR04\u003c\/a\u003e + \u003ca href=\"\/search?q=relay+module+arduino\"\u003erelay\u003c\/a\u003e + \u003ca href=\"\/search?q=data+logging+shield+arduino\"\u003edata logging shield\u003c\/a\u003e\n\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eRobot Starter:\u003c\/strong\u003e UNO R3-compatible board + \u003ca href=\"\/search?q=2WD+robot+car+kit\"\u003e2WD chassis\u003c\/a\u003e + \u003ca href=\"\/search?q=motor+shield+Arduino\"\u003eL293D\/TB6612 shield\u003c\/a\u003e + \u003ca href=\"\/collections\/power-supplies\"\u003ebattery\/PSU\u003c\/a\u003e\n\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003c!-- Internal links to essential add-ons --\u003e\n \u003ch2\u003eRecommended Add-Ons\u003c\/h2\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003ca href=\"\/search?q=USB+A+to+B\"\u003eUSB-B cable\u003c\/a\u003e for programming and power\u003c\/li\u003e\n \u003cli\u003e\n\u003ca href=\"\/collections\/sensors\"\u003eSensor packs\u003c\/a\u003e (DHT22, PIR, HC-SR04, IMU, light)\u003c\/li\u003e\n \u003cli\u003e\n\u003ca href=\"\/collections\/displays\"\u003eDisplays\u003c\/a\u003e (1602 LCD, OLED, TFT)\u003c\/li\u003e\n \u003cli\u003e\n\u003ca href=\"\/collections\/arduino-shields\"\u003eArduino shields\u003c\/a\u003e (motor, relay, Ethernet, proto)\u003c\/li\u003e\n \u003cli\u003e\n\u003ca href=\"\/collections\/power-supplies\"\u003e5 V\/9 V\/12 V power supplies\u003c\/a\u003e \u0026amp; \u003ca href=\"\/search?q=barrel+jack+adapter+5.5x2.1mm\"\u003e5.5×2.1 mm barrel adapters\u003c\/a\u003e\n\u003c\/li\u003e\n \u003cli\u003e\n\u003ca href=\"\/collections\/tools\"\u003eTools\u003c\/a\u003e (soldering, tweezers) \u0026amp; \u003ca href=\"\/collections\/multimeters-accessories\"\u003emultimeter\u003c\/a\u003e for troubleshooting\u003c\/li\u003e\n \u003cli\u003e\n\u003ca href=\"\/collections\/cases-for-arduino\"\u003eCases \u0026amp; mounting\u003c\/a\u003e (clear acrylic, ABS, DIN-rail)\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n \u003ctable\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003eMicrocontroller\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003eATmega328P (8-bit AVR) @ 16 MHz\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003eOperating voltage\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003e5 V logic\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003eInput voltage (recommended)\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003e7–12 V via DC jack (6–20 V allowable)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003eDigital I\/O pins\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003e14 (D0–D13), 6 PWM (D3, D5, D6, D9, D10, D11)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003eAnalog inputs\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003e6 (A0–A5), 10-bit ADC\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003ePer-pin DC current\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003e20 mA (do not exceed absolute max)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003eFlash \/ SRAM \/ EEPROM\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003e32 KB (0.5 KB bootloader) \/ 2 KB \/ 1 KB\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003eInterfaces\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003eUART (D0\/D1), I²C (A4\/A5), SPI (ICSP header)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003eUSB interface\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003eUSB-to-serial (chip may vary: ATmega16U2, CH340, etc.)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003eUSB connector\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003eUSB-B\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003ePower connectors\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003eUSB 5 V, DC barrel jack 5.5×2.1 mm (center-positive), VIN, 5V, 3V3, GND\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003eOn-board features\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003eRESET button, AREF, ICSP, LED_BUILTIN (D13)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003eApprox. 68.6 × 53.4 mm (R3 footprint)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n\n \u003ch2\u003ePinout \u0026amp; Power Tips\u003c\/h2\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eSPI via ICSP:\u003c\/strong\u003e Use the 6-pin ICSP header for reliable SPI (also handy when using shields).\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLevel safety:\u003c\/strong\u003e UNO-style boards are 5 V. If a module is 3.3 V-only, add a \u003ca href=\"\/search?q=logic+level+converter\"\u003elogic level converter\u003c\/a\u003e.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePower sources:\u003c\/strong\u003e For portable builds, power via DC jack or VIN (7–12 V recommended). For bench work, USB is fine.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eGrounding:\u003c\/strong\u003e Always share GND between the board, sensors, and external modules for stable readings.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch2\u003eLearning Path (Beginner → Intermediate)\u003c\/h2\u003e\n \u003col\u003e\n \u003cli\u003e\n\u003cstrong\u003eBlink \u0026amp; Inputs:\u003c\/strong\u003e LED blink, button debounce, tone\/buzzer\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSensing:\u003c\/strong\u003e \u003ca href=\"\/collections\/sensors\"\u003eDHT22\u003c\/a\u003e temp\/humidity, \u003ca href=\"\/search?q=HC-SR04\"\u003eHC-SR04\u003c\/a\u003e distance, LDR light\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eOutputs:\u003c\/strong\u003e \u003ca href=\"\/search?q=relay+module+arduino\"\u003erelays\u003c\/a\u003e, \u003ca href=\"\/search?q=servo+motor+sg90\"\u003eservos\u003c\/a\u003e, \u003ca href=\"\/collections\/displays\"\u003eLCD\/OLED\u003c\/a\u003e\n\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eData logging:\u003c\/strong\u003e \u003ca href=\"\/search?q=data+logging+shield+arduino\"\u003emicroSD + RTC shield\u003c\/a\u003e, graphs \u0026amp; alerts\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMotion \u0026amp; robots:\u003c\/strong\u003e \u003ca href=\"\/search?q=motor+shield+Arduino\"\u003emotor shield\u003c\/a\u003e + 2WD\/4WD chassis + IMU\u003c\/li\u003e\n \u003c\/ol\u003e\n\n \u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n \u003cul\u003e\n \u003cli\u003e1 × Arduino UNO R3-compatible board (ATmega328P)\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch2\u003eCompatibility \u0026amp; Notes\u003c\/h2\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eShields:\u003c\/strong\u003e R3 footprint with full 5 V logic for maximum shield compatibility.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDrivers:\u003c\/strong\u003e Some compatible boards use CH340\/CP2102 USB-to-serial chips and may require a driver install on certain systems.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUNO R3 vs other boards:\u003c\/strong\u003e Newer boards may offer more performance or USB-C, but the UNO R3 ecosystem remains the most widely supported and documented.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003c!-- FAQs --\u003e\n \u003cdiv class=\"faq-list\"\u003e\n \u003ch3\u003eFAQs – Arduino UNO R3-Compatible Board\u003c\/h3\u003e\n\n \u003cdetails class=\"faq\"\u003e\n \u003csummary\u003eIs this beginner-friendly?\u003c\/summary\u003e\n \u003cdiv\u003eYes. UNO-style boards are the most widely used Arduino-compatible boards for first projects—simple setup, massive library support, and plenty of tutorials.\u003c\/div\u003e\n \u003c\/details\u003e\n\n \u003cdetails class=\"faq\"\u003e\n \u003csummary\u003eWhich cable and power supply do I need?\u003c\/summary\u003e\n \u003cdiv\u003eUse a \u003cstrong\u003eUSB-B cable\u003c\/strong\u003e for programming. For standalone projects, power via the DC barrel jack (7–12 V recommended) or a regulated 5 V rail to the 5V pin.\u003c\/div\u003e\n \u003c\/details\u003e\n\n \u003cdetails class=\"faq\"\u003e\n \u003csummary\u003eWill my shields and modules work?\u003c\/summary\u003e\n \u003cdiv\u003eYes—this board uses the standard R3 footprint and 5 V logic. Use a \u003ca href=\"\/search?q=logic+level+converter\"\u003elevel shifter\u003c\/a\u003e when connecting 3.3 V-only modules.\u003c\/div\u003e\n \u003c\/details\u003e\n\n \u003cdetails class=\"faq\"\u003e\n \u003csummary\u003eDo I need to install drivers?\u003c\/summary\u003e\n \u003cdiv\u003eMost operating systems recognize official USB chips automatically. If your board uses a CH340\/CP2102, you may need to install the corresponding USB-to-serial driver.\u003c\/div\u003e\n \u003c\/details\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cstyle\u003e\n\/* Comfortable reading rhythm for UNO R3 compatible board *\/\n.product-copy{line-height:1.7}\n.product-copy \u003e * + *{margin-top:1rem} \/* space between sibling blocks *\/\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":"Generic","offers":[{"title":"Default Title","offer_id":45814579953953,"sku":"AE007","price":315.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/arduino-uno-r3-board-atmega328-circuitrocks.jpg?v=1780999203"},{"product_id":"uno-r3-starter-kit-with-led-resistor-wires-arduino-compatible","title":"UNO R3 Starter Kit - LED Resistor Wires Arduino Compatible","description":"\u003cdiv class=\"product-copy\"\u003e\n\n\u003cp\u003eThe most essential stuff you needed to jumpstart your Arduino Uno projects. Perfect for STEM students for learning basic electronics.\u003c\/p\u003e\n\u003cp\u003eThis kit contains the following:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e1 x Components storage\u003c\/li\u003e\n\u003cli\u003e1 x Uno R3 Arduino based\u003c\/li\u003e\n\u003cli\u003e1 x Breadboard\u003c\/li\u003e\n\u003cli\u003e15 x LED (5 x Red, 5 x Blue, 5 x Yellow)\u003c\/li\u003e\n\u003cli\u003e8 x 220 Ohm Resistor\u003c\/li\u003e\n\u003cli\u003e30 x Colorful breadboard wire\u003c\/li\u003e\n\u003cli\u003e1 x USB cable\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/div\u003e\n\n\u003cstyle\u003e\n.product-copy{line-height:1.7}\n.product-copy \u003e * + *{margin-top:1rem}\n.product-copy h2{margin:1.4em 0 .6em}\n.product-copy p{margin:0 0 1em}\n.product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n.product-copy li{margin:.35em 0}\n.product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n.product-copy table th,\n.product-copy table td{border:1px solid #eee;padding:.6em .75em;text-align:left}\n.faq-list{margin:1.2rem 0 1.4rem}\n.faq{border:1px solid #e6e6e6;border-radius:12px;padding:.75rem 1rem;margin:.6rem 0;background:#fafafa}\n.faq summary{font-weight:600;cursor:pointer}\n@media (min-width:768px){ .product-copy{font-size:1.02rem} }\n\u003c\/style\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":45836536643873,"sku":"AH008","price":669.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/uno-r3-starter-kit-with-led-resistor-wires-arduino-compatible_fa64d89c-7d7c-4dc8-9117-42e9fc21f194.jpg?v=1778912942"},{"product_id":"acrylic-enclosure-black-mountable-for-arduino-uno-r3","title":"Black Acrylic Mountable Enclosure for Arduino Uno R3","description":"\u003cdiv class=\"product-copy\"\u003e\n\n\u003cp\u003eThe Arduino Uno is the undisputed champion of all development boards, why would you not want to keep your board safe and sound inside this clear plastic enclosure? These cases protect your Arduino Uno from things like rogue wires that might short it out while still allowing full access to the board! Simply snap the Uno into the bottom half of the enclosure, then snap the two sides together.\u003c\/p\u003e\n\u003cp\u003eThe enclosure provides slots to access each header, USB port, power jack, the reset button, the AREF and ICSP connectors, as well as feet and vents to ensure the board gets proper cooling and slide-in wall mounting slots. All of the status LEDs on the Uno are visible through the case thanks to light pipes embedded in the design. This is a really durable case that will do a great job protecting your Arduino Uno!\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: bold;\"\u003eQUICK SPECS:\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cul\u003e\u003cli\u003eDimensions: 7.8 x 6.1 x 2.1cm\u003c\/li\u003e\u003c\/ul\u003e\n\n\u003c\/div\u003e\n\n\u003cstyle\u003e\n.product-copy{line-height:1.7}\n.product-copy \u003e * + *{margin-top:1rem}\n.product-copy h2{margin:1.4em 0 .6em}\n.product-copy p{margin:0 0 1em}\n.product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n.product-copy li{margin:.35em 0}\n.product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n.product-copy table th,\n.product-copy table td{border:1px solid #eee;padding:.6em .75em;text-align:left}\n.faq-list{margin:1.2rem 0 1.4rem}\n.faq{border:1px solid #e6e6e6;border-radius:12px;padding:.75rem 1rem;margin:.6rem 0;background:#fafafa}\n.faq summary{font-weight:600;cursor:pointer}\n@media (min-width:768px){ .product-copy{font-size:1.02rem} }\n\u003c\/style\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":45837184663841,"sku":"2646","price":35.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/acrylic-enclosure-black-mountable-for-arduino-uno-r3-white.jpg?v=1778911469"},{"product_id":"acrylic-enclosure-transparent-mountable-for-arduino-uno-r3-2","title":"Transparent Acrylic Mountable Enclosure for Arduino Uno R3","description":"\u003cdiv class=\"product-copy\"\u003e\n\n\u003cp\u003eThe Arduino Uno is the undisputed champion of all development boards, why would you not want to keep your board safe and sound inside this clear plastic enclosure? These cases protect your Arduino Uno from things like rogue wires that might short it out while still allowing full access to the board! Simply snap the Uno into the bottom half of the enclosure, then snap the two sides together.\u003c\/p\u003e\n\u003cp\u003eAs you may have noticed, these enclosures are actually transparent. The enclosures are perfect for letting you see your Arduino Uno and make any needed adjustments easily.\u003c\/p\u003e\n\u003cp\u003eThe enclosure provides slots to access each header, USB port, power jack, the reset button,  the AREF and ICSP connectors, as well as feet and vents to ensure the board gets proper cooling and slide-in wall mounting slots. All of the status LEDs on the Uno are visible through the case thanks to light pipes embedded in the design. This is a really durable case that will do a great job protecting your Arduino Uno!\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: bold;\"\u003eQUICK SPECS:\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cul\u003e\u003cli\u003eDimensions: 7.8 x 6.1 x 2.1cm\u003c\/li\u003e\u003c\/ul\u003e\n\n\u003c\/div\u003e\n\n\u003cstyle\u003e\n.product-copy{line-height:1.7}\n.product-copy \u003e * + *{margin-top:1rem}\n.product-copy h2{margin:1.4em 0 .6em}\n.product-copy p{margin:0 0 1em}\n.product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n.product-copy li{margin:.35em 0}\n.product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n.product-copy table th,\n.product-copy table td{border:1px solid #eee;padding:.6em .75em;text-align:left}\n.faq-list{margin:1.2rem 0 1.4rem}\n.faq{border:1px solid #e6e6e6;border-radius:12px;padding:.75rem 1rem;margin:.6rem 0;background:#fafafa}\n.faq summary{font-weight:600;cursor:pointer}\n@media (min-width:768px){ .product-copy{font-size:1.02rem} }\n\u003c\/style\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":45837186859297,"sku":"2647","price":45.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/acrylic-enclosure-transparent-mountable-for-arduino-uno-r3-2-white.jpg?v=1778912206"},{"product_id":"arduino-uno-r4-wifi","title":"Arduino UNO R4 WiFi ABX00087 - RA4M1, Wi-Fi\/BLE, LED Matrix","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\u003eArduino UNO R4 WiFi – 5 V, Wi-Fi\/BLE, LED Matrix\u003c\/h2\u003e\n \u003cp\u003eThe \u003cstrong\u003eArduino UNO R4 WiFi – 5 V, Wi-Fi\/BLE, LED Matrix\u003c\/strong\u003e is a \u003cstrong\u003eLED Matrix display\u003c\/strong\u003e for adding visual output to your \u003ca href=\"\/search?q=arduino\"\u003eArduino\u003c\/a\u003e, \u003ca href=\"\/search?q=raspberry+pi\"\u003eRaspberry Pi\u003c\/a\u003e, or \u003ca href=\"\/search?q=esp32\"\u003eESP32\u003c\/a\u003e projects. Display text, graphics, sensor data, menus, and more.\u003c\/p\u003e\n \u003ch3\u003eWhy choose it\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eLED Matrix technology:\u003c\/strong\u003e Clear, readable output for your data\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMaker-friendly:\u003c\/strong\u003e Well-supported libraries and wiring guides available\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n \u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct\u003c\/th\u003e\n\u003ctd\u003eArduino UNO R4 WiFi – 5 V, Wi-Fi\/BLE, LED Matrix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eLED Matrix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Arduino","offers":[{"title":"Default Title","offer_id":50383420424481,"sku":"ABX00087","price":2800.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/arduino-uno-r4-wifi-circuitrocks.jpg?v=1780999365"},{"product_id":"arduino-uno-r4-minima","title":"Arduino UNO R4 Minima ABX00080 Renesas RA4M1 USB-C Dev Board","description":"\u003cdiv class=\"crx-prod-intro\"\u003e\n\u003cp\u003e\u003cstrong\u003eArduino UNO R4 Minima\u003c\/strong\u003e from \u003cspan class=\"crx-brand\"\u003eCircuitrocks\u003c\/span\u003e is ideal for DIY electronics builds.\u003c\/p\u003e\n\u003cp\u003eGreat for Arduino, ESP32, Raspberry Pi, and robotics or school projects here in the Philippines.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"crx-product-body\"\u003e\n\u003cstyle\u003e\n\/* Comfortable reading rhythm + bigger specs table (scoped) *\/\n.product-copy{line-height:1.78 !important; display:flow-root !important}\n.product-copy \u003e * + *{margin-top:1.05rem !important}\n.product-copy h2{margin:1.4em 0 .65em !important}\n.product-copy p{margin:0 0 1.15em !important}\n.product-copy ul,.product-copy ol{margin:0 0 1.25em 1.25em !important}\n.product-copy li{margin:.45em 0 !important}\n.product-copy table{width:100%;border-collapse:collapse;margin:1.25em 0 !important;\n font-size:clamp(1.06rem, 0.92rem + 0.55vw, 1.22rem) !important; line-height:1.65 !important}\n.product-copy table th,.product-copy table td{border:1px solid #e9e9e9;padding:.85em 1.05em !important;text-align:left;vertical-align:top}\n.product-copy table th{font-weight:700;background:#fafafa}\n.faq-list{margin:1.2rem 0 1.4rem !important}\n.faq{border:1px solid #e6e6e6;border-radius:12px;padding:.8rem 1rem;margin:.7rem 0;background:#fafafa}\n.faq summary{font-weight:600;cursor:pointer}\n@media (max-width:480px){\n .product-copy{line-height:1.82 !important}\n .product-copy table{font-size:1.08rem !important}\n .product-copy table th,.product-copy table td{padding:.7em .8em !important}\n}\n\u003c\/style\u003e\n\n\u003cdiv class=\"product-copy\"\u003e\n \u003cp\u003e\u003cstrong\u003eArduino UNO R4 Minima\u003c\/strong\u003e is the next-gen UNO—now with a 32-bit \u003cstrong\u003eRenesas RA4M1\u003c\/strong\u003e (Cortex-M4 @ 48 MHz), \u003cstrong\u003eUSB-C\u003c\/strong\u003e, wider \u003cstrong\u003e6–24 V VIN\u003c\/strong\u003e range, and built-in peripherals like a \u003cstrong\u003e12-bit DAC\u003c\/strong\u003e, \u003cstrong\u003eCAN bus\u003c\/strong\u003e (via external transceiver), \u003cstrong\u003eRTC\u003c\/strong\u003e, HID, and more. It keeps the classic UNO footprint, \u003cstrong\u003e5 V logic\u003c\/strong\u003e, and shield ecosystem—perfect for classrooms, labs, and product prototyping in the Philippines.\u003c\/p\u003e\n\n \u003ch2\u003eNext-Gen UNO — 32-bit Power, USB-C \u0026amp; 24 V VIN\u003c\/h2\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eFaster MCU \u0026amp; more memory:\u003c\/strong\u003e RA4M1 @ 48 MHz with 256 KB Flash and 32 KB SRAM gives headroom for larger sketches.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eStill 5 V \u0026amp; R3-compatible:\u003c\/strong\u003e works with most \u003ca href=\"\/collections\/arduino-shields\"\u003eArduino shields\u003c\/a\u003e, \u003ca href=\"\/collections\/sensors\"\u003esensors\u003c\/a\u003e and \u003ca href=\"\/collections\/displays\"\u003edisplays\u003c\/a\u003e.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eRobust power:\u003c\/strong\u003e VIN accepts \u003cstrong\u003e6–24 V\u003c\/strong\u003e—great for motors, LED strips, and field gear.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eExtra I\/O features:\u003c\/strong\u003e on-board \u003cstrong\u003e12-bit DAC\u003c\/strong\u003e, high-res \u003cstrong\u003eADC (up to 14-bit)\u003c\/strong\u003e, \u003cstrong\u003eCAN\u003c\/strong\u003e, HID \u0026amp; SWD debugging.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eModern port:\u003c\/strong\u003e \u003cstrong\u003eUSB-C\u003c\/strong\u003e for power\/programming and cleaner cabling.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch2\u003eWhat you can build\u003c\/h2\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eData loggers \u0026amp; lab tools:\u003c\/strong\u003e precision sensing with high-res ADC + \u003ca href=\"\/search?q=data+logging+shield+arduino\"\u003emicroSD\/RTC\u003c\/a\u003e\n\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eAudio \u0026amp; UI gadgets:\u003c\/strong\u003e simple synths\/tones via the DAC, status \u003ca href=\"\/collections\/displays\"\u003eOLED\/TFT\u003c\/a\u003e UIs\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMotor \u0026amp; lighting control:\u003c\/strong\u003e PWM control for drivers, relays, LED strips with 24 V VIN\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCAN nodes:\u003c\/strong\u003e industrial\/automotive experiments using a \u003ca href=\"\/search?q=CAN+transceiver+module+MCP2551+TJA1050\"\u003eCAN transceiver module\u003c\/a\u003e\n\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch2\u003eStarter bundles (quick picks)\u003c\/h2\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eR4 Minima Starter:\u003c\/strong\u003e board + \u003ca href=\"\/search?q=USB+C+cable\"\u003eUSB-C cable\u003c\/a\u003e + \u003ca href=\"\/search?q=breadboard+jumper+wires\"\u003ebreadboard \u0026amp; jumpers\u003c\/a\u003e + \u003ca href=\"\/collections\/sensors\"\u003esensor pack\u003c\/a\u003e\n\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePrecision Lab:\u003c\/strong\u003e board + \u003ca href=\"\/collections\/displays\"\u003e0.96″–1.3″ I²C OLED\u003c\/a\u003e + \u003ca href=\"\/search?q=data+logging+shield+arduino\"\u003elogging shield\u003c\/a\u003e\n\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCAN Ready:\u003c\/strong\u003e board + \u003ca href=\"\/search?q=CAN+transceiver+module+MCP2551+TJA1050\"\u003eCAN transceiver\u003c\/a\u003e + \u003ca href=\"\/collections\/cables\"\u003ecables\u003c\/a\u003e\n\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch2\u003eRecommended add-ons\u003c\/h2\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003ca href=\"\/search?q=USB+C+cable+data\"\u003eUSB-C cable\u003c\/a\u003e \u0026amp; \u003ca href=\"\/collections\/power-supplies\"\u003eregulated power supplies\u003c\/a\u003e for VIN\u003c\/li\u003e\n \u003cli\u003e\n\u003ca href=\"\/collections\/arduino-shields\"\u003eShields\u003c\/a\u003e (motor, relay, Ethernet, proto)\u003c\/li\u003e\n \u003cli\u003e\n\u003ca href=\"\/collections\/sensors\"\u003eSensors\u003c\/a\u003e \u0026amp; \u003ca href=\"\/collections\/displays\"\u003edisplays\u003c\/a\u003e\n\u003c\/li\u003e\n \u003cli\u003e\n\u003ca href=\"\/search?q=logic+level+converter\"\u003eLogic level converters\u003c\/a\u003e for 3.3 V-only modules\u003c\/li\u003e\n \u003cli\u003e\n\u003ca href=\"\/collections\/tools\"\u003eTools\u003c\/a\u003e \u0026amp; \u003ca href=\"\/collections\/multimeters-accessories\"\u003emultimeters\u003c\/a\u003e\n\u003c\/li\u003e\n \u003cli\u003e\n\u003ca href=\"\/collections\/cases-for-arduino\"\u003eCases \u0026amp; mounting\u003c\/a\u003e (UNO footprint)\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n \u003ctable\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n\u003cth\u003eMicrocontroller\u003c\/th\u003e\n\u003ctd\u003eRenesas RA4M1 (Arm® Cortex®-M4) @ 48 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eOperating voltage\u003c\/th\u003e\n\u003ctd\u003e5 V logic\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eInput voltage (VIN)\u003c\/th\u003e\n\u003ctd\u003e6–24 V\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eDigital I\/O\u003c\/th\u003e\n\u003ctd\u003e14 pins (6 PWM)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eAnalog inputs\u003c\/th\u003e\n\u003ctd\u003e6 (ADC up to 14-bit resolution)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eAnalog output (DAC)\u003c\/th\u003e\n\u003ctd\u003e1 × 12-bit DAC\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eCommunication\u003c\/th\u003e\n\u003ctd\u003eUART ×1, I²C ×1, SPI ×1, CAN bus (needs external transceiver)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eUSB connector\u003c\/th\u003e\n\u003ctd\u003eUSB-C (program\/power)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eDC current per I\/O\u003c\/th\u003e\n\u003ctd\u003e8 mA (typ.)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eMemory\u003c\/th\u003e\n\u003ctd\u003e256 KB Flash • 32 KB SRAM • 8 KB EEPROM\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e68.6 × 53.4 mm (UNO R3 footprint)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eShield compatibility\u003c\/th\u003e\n\u003ctd\u003eUNO R3 mechanical \u0026amp; electrical compatibility (5 V logic)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n\n \u003ch2\u003ePinout \u0026amp; power notes\u003c\/h2\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eSPI:\u003c\/strong\u003e use the 6-pin \u003cem\u003eICSP\u003c\/em\u003e header for maximum shield compatibility.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e3.3 V modules:\u003c\/strong\u003e add a \u003ca href=\"\/search?q=logic+level+converter\"\u003elevel shifter\u003c\/a\u003e for 3.3 V-only sensors\/displays.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCAN:\u003c\/strong\u003e requires an external transceiver module between the board and the bus.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eVIN vs USB-C:\u003c\/strong\u003e for motors\/LED loads, power via VIN (6–24 V) with a quality PSU; keep grounds common.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch2\u003eWhat’s in the box\u003c\/h2\u003e\n \u003cul\u003e\n \u003cli\u003eArduino UNO R4 Minima board\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003c!-- FAQs (standard design) --\u003e\n \u003cdiv class=\"faq-list\"\u003e\n \u003ch3\u003eFAQs – Arduino UNO R4 Minima (Philippines)\u003c\/h3\u003e\n\n \u003cdetails class=\"faq\"\u003e\n \u003csummary\u003eIs UNO R4 Minima beginner-friendly?\u003c\/summary\u003e\n \u003cdiv\u003eYes—same UNO form factor, now with a faster 32-bit MCU and USB-C. Works with the Arduino IDE and most UNO-era libraries; low-level AVR code may need changes.\u003c\/div\u003e\n \u003c\/details\u003e\n\n \u003cdetails class=\"faq\"\u003e\n \u003csummary\u003eWhich cable and power supply do I need?\u003c\/summary\u003e\n \u003cdiv\u003eUse a \u003cstrong\u003eUSB-C\u003c\/strong\u003e data cable for programming. For standalone projects, VIN accepts \u003cstrong\u003e6–24 V\u003c\/strong\u003e (use a regulated PSU).\u003c\/div\u003e\n \u003c\/details\u003e\n\n \u003cdetails class=\"faq\"\u003e\n \u003csummary\u003eAre my UNO R3 shields compatible?\u003c\/summary\u003e\n \u003cdiv\u003eYes—R3 layout and 5 V logic are maintained. For SPI shields, use the ICSP header; adjust CS pins if stacking shields.\u003c\/div\u003e\n \u003c\/details\u003e\n\n \u003cdetails class=\"faq\"\u003e\n \u003csummary\u003eDoes it have Wi-Fi?\u003c\/summary\u003e\n \u003cdiv\u003eNo. For built-in wireless, choose \u003ca href=\"\/search?q=Arduino+UNO+R4+WiFi\"\u003eUNO R4 WiFi\u003c\/a\u003e or add an external Wi-Fi\/BLE module.\u003c\/div\u003e\n \u003c\/details\u003e\n\n \u003cdetails class=\"faq\"\u003e\n \u003csummary\u003eDo you ship nationwide and support school\/corporate orders?\u003c\/summary\u003e\n \u003cdiv\u003eYes. We ship nationwide across the Philippines via trusted couriers and can prepare classroom bundles and bulk quotations on request.\u003c\/div\u003e\n \u003c\/details\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Arduino","offers":[{"title":"Default Title","offer_id":51936037175585,"sku":"ABX00080","price":2100.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/arduino-uno-r4-minima.jpg?v=1778912751"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/collections\/Arduino_Uno.png?v=1781143438","url":"https:\/\/circuit.rocks\/collections\/arduino-uno.oembed","provider":"circuitrocks","version":"1.0","type":"link"}