Arduino UNO R4 Minima (Original Chip)

Enhanced and improved, the Arduino UNO R4 Minima (Original) is powered by the Renesas RA4M1 32-bit microcontroller, delivering faster processing, more memory, and modern peripherals without breaking compatibility with existing Arduino UNO shields and accessories. Designed for both beginners and experienced makers, the UNO R4 Minima keeps the familiar layout and ease of use of the classic UNO while unlocking new possibilities for more demanding projects. Whether you are building your first circuit or developing advanced embedded systems, this board provides reliability, flexibility, and performance. Tech specs Board Name Arduino® UNO R4 Minima SKU ABX00080 Microcontroller Renesas RA4M1 (Arm® Cortex®-M4) USB USB-C® Programming Port Pins Digital I/O Pins 14 Pins Analog input pins 6 DAC 1 PWM pins 6 Communication UART Yes, 1x I2C Yes, 1x SPI Yes, 1x CAN Yes 1 CAN Bus Power 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 Dimensions Width 68.85 mm Length 53.34 mm HID Support With built-in Human Interface Device (HID) functionality, the UNO R4 Minima can emulate: Keyboard Mouse This allows seamless interaction with computers via USB, perfect for automation, testing tools, and custom controllers. Applications Education and STEM learning Embedded systems development Robotics and automation Industrial and CAN-based projects USB input devices Rapid prototyping