UNO-R4

Arduino UNO R4 preserves the standard form factor, shield compatibility, 5V power supply and robustness of the UNO range while featuring Renesas' RA4M1 32-bit microcontroller with 48MHz Arm® Cortex®-M4 and a 16-fold increase in memory. Thanks to enhanced thermal design, the UNO R4 boards can be powered up to 24V.

Choose between the lightweight UNO R4 Minima and the full-fledged UNO R4 WiFi depending on your skill level, general budget and the project you have in mind.

Order UNO R4 Minima   Order UNO R4 WiFi