Pro Micro (Micro-USB) - 5V/16MHz - Arduino-compatible ATmega32U4

Spice up your DIY keyboard builds with this little microcontroller, which works with the TMK and QMK firmware. It's got 18 pins for you to work with.

Arduino Micro Pro ATMEGA32U4 5V/16MHZ

Spice up your DIY keyboard builds with this little microcontroller, which works with the TMK and QMK firmware. It's got 18 pins for you to work with.

Pro Micro (Micro-USB) - 5V/16MHz - Arduino-compatible ATmega32U4

Arduino-Compatible EDArduino Pro Micro, ATmega32u4, 5V 16MHz - ElectroDragon

Pro Micro ATmega32U4 5V/16MHz – CrystalsKeebs

Arduino Pro Micro Atmega32U4 5V/16MhZ compatible development board – Server On The Move

Leonardo Pro Micro ATmega32U4 5V 16MHz Arduino IDE Compatible - Devobox

Pro Micro Module with ATmega32U4, 5V, 16MHz, Arduino compatible

OSOYOO Pro Micro Board ATmega32U4 Leonardo 5V/16MHz Module Board Type

Pro Micro 5V/16MHz Arduino Compatible Microcontroller - RobotShop

Atmega32u4 5v/16m Mini Leonardo Pro Micro Arduino Compatible No Cable

Arduino Micro Pro ATMEGA32U4 5V/16MHZ