Overview
Enhanced and improved, the Arduino UNO R4 Minima is armed with a powerful 32-bit microcontroller courtesy of Renesas. Brace yourself for increased processing power, expanded memory, and a whole new level of on-board peripherals. The best part? Compatibility with existing shields and accessories remains intact, and there's no need to make any changes to the standard form factor or 5 V operating voltage.
Joining the Arduino ecosystem, the UNO R4 is a trusty addition suitable for both beginners and seasoned electronics enthusiasts. Whether you're just starting out or looking to push the boundaries of your projects, this robust board delivers reliable performance every time.
 
Features: 
●Microcontroller:RA4M1
●14Pins Digital I/O
●6Pins Analog input
●1pin DAC
●6Pins PWM
●Communication:1*UART, 1xI2C, 1xSPI, 1xCAN Bus
●Power
   Circuit operating voltage5 V
   Input voltage (VIN)6-24 V
   DC Current per I/O Pin8 mA
●Clock speed
   Main core:48 MHz
●Memory
   RA4M1:256 kB Flash, 32 kB RAM
●Dimensions:68.85 mm*53.34 mm
 
Resources:
1. UNO R4 Minima Documentation