Arduino Pro Micro ATmega32U4-MU 5V/16MHz Module with Micro USB

Arduino Pro Micro / Type C M ATmega32U4 5V 16MHz Solderless ProMicro ATmega Techmakers

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

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

Pro Micro Type C Leonardo ATmega32U4 5V 16MHz Replace ATmega328 Arduino

PRO MICRO 5V 16MHZ Development Board - Micro Center

Arduino Micro — Arduino Online Shop

ATmega32U4 running at 5V/16MHz 4 x 10-bit ADC pins, 12 x Digital I/Os(5 are PWM capable) Rx and Tx Hardware Serial Connections On-Board Type-C USB

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

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

MICRO/MINI/TYPE-C USB ATMEGA32U4 Module 5V 16MHz Board For Arduino

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