The Arduino UNO R4 WiFi is designed around the 32-bit microcontroller RA4M1 from Renesas while also featuring a ESP32 module for Wi-Fi® and Bluetooth® connectivity.

Discover examples compatible with the WiFi library included in the UNO R4 Board Package.

Oct 7, 2025 · A step-by-step guide to install the board package needed for the UNO R4 WiFi board.

Oct 7, 2025 · Learn how to set up the Arduino UNO R4 WiFi, the fourth revision of our most popular and important development board.

The Arduino® UNO R4 WiFi is the first UNO board to feature a 32-bit microcontroller and an ESP32-S3 Wi-Fi® module (ESP32-S3-MINI-1-N8). It features a RA4M1 series microcontroller from Renesas …

Oct 7, 2025 · This article shows you how to set up your board and connect it to the Cloud allowing you to upload code over the air, create dashboards to monitor your data and control your Arduino board …

Oct 7, 2025 · Get off the ground with the Arduino UNO R4 WiFi built-in LED matrix. Learn the different techniques for controlling it, create animations, graphics or even games.

Aug 11, 2025 · A lightweight HTTP client wrapper library for Arduino Uno R4 WiFi. A wrapper for Arduino UNO R4 WiFi microcontroller WiFiS3 HttpClient with functionality of GET & POST.

Feb 5, 2024 · In this guide, we have learned how to use a power profiler to record power consumption data from an Arduino board. This is an great utility, as it can help you identify the power requirements …

Oct 7, 2025 · We've also learned how the Arduino UNO R4 WiFis Qwiic connector is configured and how to make use of it to conveniently build large I2C networks of nodes for your interactive projects …