
The UNO R4 WiFi is a powerful 32-bit development board designed for IoT, robotics, automation, sensors, and embedded applications. It combines the Renesas RA4M1 microcontroller with an ESP32-S3 connectivity module, providing Wi-Fi and Bluetooth® connectivity while maintaining the familiar Arduino UNO form factor.
The board features a built-in 12×8 red LED matrix, allowing you to display text, icons, animations, sensor readings, and other visual information without requiring an external display.