Board with ATmega32U4 microcontroller compatible with Arduino Pro Micro - Kamami on-line store

Board compatible with Arduino, equipped with the ATmega32U4 microcontroller

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

ATmega32U4 Pro Micro Controller Board for Arduino Pro Micro Type-C USB 5V

running at 5V/16MHz Supported under IDE v1.0.1 On-Board micro-USB connector for programming 4 x 10-bit ADC pins 12 x Digital I/Os

OSOYOO Pro Micro 5V/16MHz Module Board with 2 Row pin Header Replace wit Pro Mini for Arduino

Inland PRO MICRO Development Board Arduino Compatible; ATmega32u4 Microcontroller; 32KB Flash Memory; 2.5KB SDRAM - Micro Center

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

ATmega32U4 Pro Micro Controller Board for Arduino Pro Micro Type-C USB 5V

Board compatible with Arduino, equipped with the ATmega32U4 microcontroller

Board with ATmega32U4 microcontroller compatible with Arduino Pro Micro

Arduino Micro — Arduino Online Shop

OSOYOO Pro Micro 5V/16MHz Module Board with 2 Row pin Header Replace wit Pro Mini for Arduino : Electronics