{"product_id":"arduino-uno-wifi-rev2-board-abx00173-iot-development","title":"Arduino UNO WiFi Rev2 Board (ABX00173) | IoT Development","description":"\u003ch1\u003eArduino UNO WiFi Rev2 (ABX00173) — IoT-Ready Microcontroller Board\u003c\/h1\u003e\n\n\u003cp\u003eThe Arduino UNO WiFi Rev2 is a microcontroller board based on the ATmega4809, featuring an integrated ESP32-based WiFi and Bluetooth module (NINA-W102). It is ideal for IoT and connected projects, maintaining full compatibility with the Arduino Uno ecosystem. On-board wireless connectivity without sacrificing familiar Uno format.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMicrocontroller\u003c\/td\u003e\n\u003ctd\u003eATmega4809 (16 MHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eWireless\u003c\/td\u003e\n\u003ctd\u003eWiFi 802.11 b\/g\/n, Bluetooth v4.2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDigital I\/O Pins\u003c\/td\u003e\n\u003ctd\u003e14 (6 PWM)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eFlash Memory\u003c\/td\u003e\n\u003ctd\u003e48 KB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSRAM\u003c\/td\u003e\n\u003ctd\u003e6,144 Bytes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e5V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eWiFi-controlled home automation hub\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/kit-soil-sensor-data-logger\"\u003eBluetooth-enabled sensor data logger\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/kit-indoor-weather-station\"\u003eSmart IoT weather station\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003eRemote motor control via BLE\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eWorks with all Arduino Uno shields and most 5V sensors and actuators. Compatible with the Arduino IDE and Cloud Editor. Pairs well with standard 5V power supplies and USB cables.\u003c\/p\u003e\n\n\u003ch2\u003eWiring Notes\u003c\/h2\u003e\n\u003cp\u003eThe board operates at 5V logic level; do not exceed 5V on I\/O pins. The onboard WiFi module communicates over UART. For initial setup, connect via USB Type-B cable.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with Arduino Uno shields?\u003c\/summary\u003e\u003cp\u003eYes, the board maintains the same pinout and form factor as the classic Uno, ensuring shield compatibility.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I program it wirelessly?\u003c\/summary\u003e\u003cp\u003eYes, using the Arduino IoT Cloud or via OTA updates through the Arduino IDE.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat is the difference from the Uno R3?\u003c\/summary\u003e\u003cp\u003eThe UNO WiFi Rev2 adds an ATmega4809 and integrated WiFi\/BLE, unlike the R3 which requires external modules.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"compoden-handoff\" style=\"margin-top:24px;padding:16px;background:#f0f4ff;border-left:4px solid #2B4D8F;border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-weight:600;color:#1A3560;\"\u003e📦 Free Setup Handoff Document Included\u003c\/p\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;color:#333;\"\u003eEvery Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53444961599853,"sku":"CDN-0412","price":6550.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/image_1_43dd04e7-cf58-4047-b8af-770bc6049524.jpg?v=1781512543","url":"https:\/\/compoden.com\/products\/arduino-uno-wifi-rev2-board-abx00173-iot-development","provider":"Compoden","version":"1.0","type":"link"}