Pro Micro (USB-C Version) - 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.,

MICRO/TYPE-C USB ATMEGA32U4 Module 5V 16MHz Board For Arduino ATMEGA32U4-AU/MU Controller Pro

The Pro Micro module is equipped with an Atmel AVR ATmega32U4 microcontroller with an integrated USB controller. The module is compatible with Arduino

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

Cytron Arduino Pro Micro Compatible w/ Pre-soldered Headers - RobotShop

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

CANADUINO Atmega32u4 Pro Micro - 5V 16MHz - Compatible with Arduino IDE : Electronics

Arduino Micro Pro ATMEGA32U4 5V/16MHZ

ARDUINO Compatible IDUINO Micro Development board Atmega32u4 5V 16MHz - AA147 - iduino

Micro/Mini/Type-C ATmega32U4 5V 16MHz 2-row needle for Arduino Pro Mini

Arduino Pro-Micro – PrismaKBD

Arduino Pro Micro Modern Electronics

PRO MICRO/TYPE-C USB 5V 16MHz Board Module For Arduino/Leonardo ATMEGA32U4-MU Controller Pro

3pcs Type-C USB Pro Micro ATmega32U4 5V 16MHz Module Board ATmega32U4 Development Module Board Microcontroller with 2 Row Pin Header for Leonardo Replace Pro Mini : Electronics