{"product_id":"arduino-uno-r4-wifi-abx00162-single-board-computer-development-board","title":"Arduino UNO R4 WiFi ABX00162 Single Board Computer Development Board","description":"\u003ch1\u003eArduino UNO R4 WiFi Single Board Computer (ABX00162)\u003c\/h1\u003e\n\n\u003cp\u003eThe Arduino UNO R4 WiFi is a powerful single board computer that blends the classic UNO form factor with a modern Renesas RA4M1 microcontroller and an onboard ESP32-S3 module for WiFi and Bluetooth connectivity. Designed for IoT prototyping, it offers enhanced processing, expanded memory, and seamless wireless communication, making it a direct drop-in upgrade for existing UNO projects.\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\u003eRenesas RA4M1 (Arm Cortex-M4)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eClock Speed\u003c\/td\u003e\n\u003ctd\u003e48 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSRAM \/ Flash\u003c\/td\u003e\n\u003ctd\u003e256 KB \/ 1 MB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eConnectivity\u003c\/td\u003e\n\u003ctd\u003eESP32-S3 module (WiFi 802.11 b\/g\/n, Bluetooth 5.0)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eUSB\u003c\/td\u003e\n\u003ctd\u003eUSB-C for programming and power\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eI\/O Pins\u003c\/td\u003e\n\u003ctd\u003e14 digital, 6 analog, 3.3-5V logic tolerant\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\u003e\u003ca href=\"\/products\/wifi-weather-station-with-esp8266-oled-display-kit\"\u003eWiFi-enabled weather station with cloud data logging\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/kit-bluetooth-home-automation-kit-with-arduino-nano-plus-flex-sensors\"\u003eHome automation system with Bluetooth and smartphone control\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003eWireless robot or drone using the ESP32-S3 for low-latency control\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/kit-esp32-mqtt-home-sensor-network\"\u003eIoT sensor network bridging to MQTT or web dashboards\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eFully compatible with the Arduino UNO pinout and most existing shields. The RA4M1 operates at 5V, ensuring legacy shields work out of the box. Programming is done via USB-C using the Arduino IDE 2.0 or higher. Also compatible with ESP32-S3 firmware for standalone wireless applications.\u003c\/p\u003e\n\n\u003ch2\u003eWiring Notes\u003c\/h2\u003e\n\u003cp\u003eFor basic use, connect via USB-C to your computer for programming and power. External power (7-12V) can be supplied to the barrel jack. No additional wiring is required for WiFi\/Bluetooth—the ESP32-S3 is internally connected. When driving external loads, respect the per-pin current limit of 8mA and total board limit of ~200mA from the 5V rail.\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 the Arduino IDE?\u003c\/summary\u003e\u003cp\u003eYes, the Arduino UNO R4 WiFi is officially supported in Arduino IDE 2.0 and newer, with all necessary board files available via the Boards Manager.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I use standard UNO shields with this board?\u003c\/summary\u003e\u003cp\u003eAbsolutely. The UNO R4 maintains the same 5V logic level and pin headers as the classic Uno, so shields for servo control, LCD, and sensors work without modification.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes the WiFi need an external antenna?\u003c\/summary\u003e\u003cp\u003eNo. The ESP32-S3 module includes an integrated PCB antenna that provides reliable wireless connectivity for typical indoor and short-range outdoor use.\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":53444946100589,"sku":"CDN-0041","price":4880.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/image_1_21ed90c4-21b5-4c17-87ff-b13db95575fa.jpg?v=1781512115","url":"https:\/\/compoden.com\/products\/arduino-uno-r4-wifi-abx00162-single-board-computer-development-board","provider":"Compoden","version":"1.0","type":"link"}