The Arduino Micro is a condensed version of the Arduino Leonardo board for small Internet of Things (IoT) development.
Arduino Pro Micro Primer - Codrey Electronics
The Full Arduino Uno Pinout Guide [including diagram]
OSOYOO Pro Micro 5V/16MHz Module Board with 2 Row pin
Arduino Boards, Compared - Tutorial Australia
Arduino Micro vs Nano Top 12 Differences You Should Know
Complete guide to Arduino Pro Mini – Robocraze
Arduino Board Comparison Guide
4. Arduino Technical Details - Arduino: A Technical Reference [Book]
4. Arduino Technical Details - Arduino: A Technical Reference [Book]
Arduino Board Power of Open-Source Electronics: Features,History
Arduino UNO Pinout - JavaTpoint
Arduino Micro — Arduino Official Store
Block diagram of the Arduino Board The Basic Features of Arduino
Arduino Pro Micro pin mapping - iCircuit