Powered by a powerful Renesas RA4M1 32-bit microcontroller, this Arduino UNO R4 Minima clone offers more speed, memory, and modern features while retaining the familiar UNO design. The 5V operating voltage and compatibility with UNO R3 shields and accessories make upgrading easy. With an onboard 12-bit DAC, CAN bus, OP AMP, and HID support to use the board as a keyboard or mouse via USB . There's also an SWD connector for debugging, and the Minima operates on a 6–24V input, useful for applications such as motors and LED strips.
Ideal if you don't need built-in Wi-Fi but are looking for a powerful and compact base for your projects. More performance, without abandoning the familiar platform.