Innovation reaches new heights with Arduino Uno R4

Meet the Arduino UNO R4, a revolutionary leap forward with a 32-bit microprocessor offering unmatched speed, expanded memory, diverse connectors, and advanced connectivity options.

ARDUINO UNO R4 EK: Connecting Tradition with Innovation

Select the Perfect UNO R4 to bring your next masterpiece to life!

Find the UNO R4 that suits you best: the compact and budget-friendly UNO R4 Minima or the feature-rich UNO R4 WiFi, tailored to your skill level, budget, and project requirements.

Arduino® UNO R4 Minima

Meet the Arduino UNO R4 Minima! Powered by Renesas’ RA4M1 microprocessor, it offers enhanced processing power, expanded memory, and new peripherals. Staying true to the trusted UNO form factor and operating at 5V, it’s the perfect upgrade for your projects!

Arduino® UNO R4 WiFi

The Arduino UNO R4 WiFi combines Renesas’ RA4M1 microprocessor with Espressif’s ESP32-S3, delivering powerful performance and built-in Wi-Fi® and Bluetooth®. With features like a 12×8 LED matrix and a Qwiic connector, it unlocks endless possibilities for makers to bring their ideas to life.