The Arduino UNO R4 Minima is the first UNO board featuring a 32-bit microcontroller, the RA4M1 from Renesas. It is faster, has more memory and has a number of built-in features such as a DAC, RTC and HID. The UNO R4 Minima is a 5 V only board.

Name: Arduino® UNO R4 Minima

SKU: ABX00080

Microcontroller: Renesas RA4M1 (Arm® Cortex®-M4)

USB: USB-C® Programming Port

Digital I/O Pins: 14

Analog input pins: 6

DAC: 1

PWM pins: 6

External interrupts: 2, 3

UART: Yes, 1x

I2C: Yes, 1x

SPI: Yes, 1x

CAN: Yes 1 CAN Bus

Circuit operating voltage: 5 V

Input voltage (VIN): 6-24 V

DC Current per I/O Pin: 8 mA

Clock speed (Main core): 48 MHz

Memory (RA4M1): 256 kB Flash, 32 kB RAM

Width: 68.85 mm

Length: 53.34 mm