Arduino UNO R4 Minima

Arduino UNO R4 Minima

The Arduino UNO R4 Minima updates the classic UNO form factor with a powerhouse 32-bit Renesas RA4M1 Arm Cortex-M4 processor running at 48 MHz. Maintaining 5V operating voltage and shield pinout compatibility while increasing memory and speed tenfold.

Specifications

• Renesas RA4M1 32-bit Arm Cortex-M4 with Floating Point Unit (FPU) @ 48 MHz
• 256 KB Flash memory and 32 KB SRAM (16x more RAM than UNO R3)
• Native 12-bit DAC for true analog output generation
• Integrated CAN bus controller for automotive and robotics telemetry
• Modern USB Type-C connector with HID keyboard/mouse capability
• Wide input voltage tolerance: up to 24V DC input via VIN