Pro Micro 5V / 16MHz

12 digital I/O, 5 with PWM and 9 analog inputs in a tiny package.

KS0503 Keyestudio PRO MICRO 5V 16MHZ Development Board(Black and Eco-friendly) - Keyestudio Wiki

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

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

Arduino Micro Pro ATMEGA32U4 5V/16MHZ

American Raspberry Pi Shop. One stop shop for all your Pi needs. Raspberry Pi add-ons, HATs, accessories, Starter Kit, Media Center kit, RetroPi

Pro Micro Compatible Board - 5V/16MHz

Pro Micro - 5V/16MHz - DEV-11098 - SparkFun Electronics

Pro Micro – 5V/16MHz

Arduino Pro Micro 5V 16Mhz Mini Leonardo Micro Controller Development Board For Arduino at Rs 377/piece, Arduino Electronic Development Board in Chennai

flashtree 4pcs Pro Micro Atmega32U4 5V 16MHz Bootloadered IDE Micro US

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.,