Arduino UNO R4 WiFi

★★★★★

Reviews|Arduino

Arduino UNO R4 WiFi

Why buy the Arduino UNO R4 WiFi?

Renesas RA4M1 (Arm Cortex-M4) main MCU
Onboard ESP32-S3 for Wi-Fi and Bluetooth
12×8 LED matrix built in
CAN bus, DAC, and Qwiic connector
Familiar UNO form factor and shields

$28

In Stock · Ships same day

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Product Overview

The Arduino UNO R4 WiFi upgrades the world's most popular microcontroller board with a 32-bit Renesas core, an onboard ESP32-S3 for wireless, and extras like a built-in LED matrix, CAN bus, and DAC — all while keeping the classic UNO footprint and shield compatibility. A great step up for connected projects.

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