The Arduino UNO R4 boards feature a powerful 32-bit microcontroller, providing increased processing power and memory, while still maintaining the standard UNO form factor and 5V operating voltage. As such, it is an excellent option for both novice and experienced electronics enthusiasts who wish to push the limits of their projects.

Features:

USB-C connector
– RA4M1 from Renesas (Cortex M4)
– HID device (emulate a mouse or a keyboard)
– Improved power section (up to 24V through VIN)
– CAN bus
– DAC (12 bits)
– OP amp
– WiFi / Bluetooth Low Energy
– Fully-Addressable LED matrix (12×8 matrix)
– Qwiic I2C connector
– RTC (with support for a buffer battery)
– Runtime errors diagnostics