[ Arduino / Renesas RA4M1 plus ESP32-S3 connectivity module ]
UNO R4 WiFi
UNO-form-factor board pairing a 32-bit Renesas MCU with ESP32-S3 connectivity, a 12×8 LED matrix and Qwiic connector.
Why it belongs on the bench
UNO-form-factor board pairing a 32-bit Renesas MCU with ESP32-S3 connectivity, a 12×8 LED matrix and Qwiic connector. Flashable links this hardware to source-checked firmware, projects and practical guides so you can assess the whole path before buying.
Sources
- UNO R4 WiFi official page ↗Arduino · checked 2026-08-07
Useful alternatives
Nano ESP32
Nano-form-factor ESP32-S3 board supporting Arduino and MicroPython workflows with Wi-Fi and Bluetooth LE.
- Platform
- u-blox NORA-W106 module with Espressif ESP32-S3 · Arduino
- Builds
- 02
Nicla Vision
Compact machine-vision board with a 2 MP camera, dual-core STM32H7, microphone, IMU and time-of-flight distance sensor.
- Platform
- STM32H747A dual-core Cortex-M7/M4
- Builds
- 02
Wio Terminal
ATSAMD51 all-in-one development terminal with a 2.4-inch LCD, controls, sensors, wireless networking and Grove expansion.
- Platform
- Microchip ATSAMD51P19 plus Realtek RTL8720DN wireless coprocessor · Arduino
- Builds
- 01