Arduino Uno R4 WiFi (32-bit ARM Cortex-M4)

The legendary UNO format upgraded with a 32-bit ARM Cortex-M4 chip, built-in ESP32 Wi-Fi, and an onboard 12×8 LED matrix.

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Description

Description

Arduino Uno R4 WiFi: The Classic, Reimagined

The Arduino UNO R4 WiFi takes the world’s most popular development board form factor and gives it a massive performance boost. Upgraded from an 8-bit chip to a 32-bit ARM Cortex-M4 (Renesas RA4M1), it runs faster and holds more memory. Plus, it includes an integrated ESP32-S3 module for Wi-Fi and Bluetooth connectivity.

Key Features

Microcontroller: 32-bit Renesas RA4M1 (ARM Cortex-M4 @ 48 MHz)
Wireless Coprocessor: ESP32-S3 for Wi-Fi and Bluetooth Low Energy
Onboard Display: 12×8 red LED matrix for instant visual output without extra wiring
Compatibility: 100% form-factor compatible with previous UNO R3 shields
Voltage: Supports 5V operating voltage and up to 24V input voltage

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