The Arduino UNO R4 Minima is a powerful evolution of the classic UNO board. It features a 32-bit RA4M1 microcontroller by Renesas, providing significantly increased processing power, memory, and speed compared to its predecessor. Designed for makers, students, and engineers, the UNO R4 Minima maintains the familiar form factor while opening up possibilities for more complex projects.
Key Features:
Processor: 32-bit RA4M1 Cortex®-M4, up to 48 MHz
Flash Memory: 256 KB
SRAM: 32 KB
Operating Voltage: 5V
Input Voltage: 6-24V
USB-C connector for programming
Backward-compatible with UNO R3 shields
Ideal for robotics, IoT, and embedded systems
Whether you're upgrading from UNO R3 or starting fresh with high-performance prototyping, the UNO R4 Minima is built to accelerate your ideas.