Arduino UNO R4 Minima

The Arduino UNO R4 Minima is the next generation of the world's most popular microcontroller board. Featuring a powerful 32-bit Renesas RA4M1 processor (Arm Cortex-M4) running at 48 MHz, it delivers significantly more speed and memory while maintaining full backward compatibility with UNO R3 shields and projects.

New capabilities include CAN bus for automation projects, a 12-bit DAC for audio applications, and USB-C connectivity with HID device support. The enhanced power section accepts up to 24V input, making it suitable for a wider range of power supplies.

Key Features

• Renesas RA4M1 Processor – 32-bit Arm Cortex-M4 at 48 MHz
• 256KB Flash / 32KB SRAM – Significantly more memory than UNO R3
• USB-C Connectivity – Modern programming port with HID device support
• CAN Bus – Built-in support for industrial automation protocols
• 12-bit DAC – True analog output for audio and signal generation
• Onboard Op Amp – For signal conditioning applications
• Wide Input Voltage – 6-24V via VIN pin
• 5V Operating Voltage – Compatible with existing 5V shields and sensors

Ideal For

• Upgrading existing UNO R3 projects
• Industrial automation with CAN bus
• Audio projects requiring analog output
• Projects needing more memory and processing power

Compatibility

• Arduino UNO R3 shields (pin-compatible)
• Arduino Leonardo projects
• Arduino IDE 2.x

Package Contents

• 1× Arduino UNO R4 Minima

Resources

• Arduino Documentation