The Micro is a microcontroller board based on the ATmega32U4 (datasheet), developed in conjunction with Adafruit. It has 20 digital input/output pins
Pro Micro Atmega32u4 5v16mhz Replace Atmega328 For Arduino Pro Mini With 2 Row Pin Header For Leonardo Mini/type-c Usb Interface - Integrated Circuits - AliExpress
Arduino Pro Micro – ScottoKeebs
TENSTAR ROBOT Pro Micro With the Bootloader Black/Blue ATmega32U4 5V/16MHz Module Controller Mega32U4 Leonardo
Arduino Micro — Arduino Official Store
Arduino/Genuino Micro with pre-installed openQCM Firmware
Pro Micro (Micro-USB) - 5V/16MHz - Arduino-compatible ATmega32U4 – Keebio
Buy Arduino Pro Micro Clone 5V 16MHz at affordable prices - ®
Pro Micro 5V / 16MHz - ProtoSupplies
Squee! It's the cutest, tiniest little Arduino yet! The Arduino Micro packs all of the power of the Arduino Leonardo in a 1.9 x 0.7 (48mm x 18mm)
Arduino Micro with Headers - 5V 16MHz - (ATmega32u4 - assembled)
