Pro Micro

ATmega32U4 ATmega32U4. Small ATmega32U4 board with USB, popular for keyboards and game controllers.

Where to buyAliExpress1 project

Variants and how to tell them apart

5V, 16 MHz

The usual one. Clones often show up as Arduino Leonardo.

3.3V, 8 MHz

Marked 3.3V or 8M.

Projects for this board