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.,

Pro Micro ATmega32U4 3.3V 5V Module Board for Arduino – diymore

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

Pro Micro ATmega32U4 5V 16MHz Leonardo Arduino Compatible – Envistia Mall

ATMega32U4 running at 5V/16MHz USB type C connector provides greatly improved toughness. No more worrying about the port snapping off. Supported under

Pro Micro ATmega32U4 5V 16MHz USB Type C Development Module Board with 2 Row pin Header Compatible arduino Leonardo Replace ATmega328 Pro Mini…

10PCS PRO MICRO/MINI/Type-C USB 5V 16MHz Board Module For Arduino/Leonardo ATMEGA32U4-AU/MU Controller - AliExpress

Pro Micro With The Bootloader Atmega32u4 5v/16mhz Module - Temu

Pro Micro ATmega32U4 3.3V 5V Module Board for Arduino – diymore

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

Upgrade Your Arduino Pro Mini With Atmega32u4 5v 16mhz Chip - Temu