Amazon.com: OSOYOO Pro Micro ATmega32U4 5V/16MHz Module Board with 2 Row pin Header Replace with ATmega328 Pro Mini for Arduino : Electronics
Fixing an Arduino Pro Micro: the USB Port Came Off !! : 17 Steps - Instructables
Pro Micro pinout
Type-c Mini Usb Pro Micro For Arduino Atmega32u4 5v/16mhz 3.3v/8mhz Module With 2 Row Pin Header Leonardo Usb Interface Board - Integrated Circuits - AliExpress
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How To Program The Pro Micro (atmega32u4) As A USB Gamepad Controller With Arduino - tinkerBOY