Turn your ProMicro into a USB Keyboard/Mouse - SparkFun Electronics
How to Make a Arduino HID Keyboard : 18 Steps - Instructables
Turn your ProMicro into a USB Keyboard/Mouse - SparkFun Electronics
An USB keyboard for Media Players using Arduino Leonardo - jpralves.net
KVM Uses Many Arduinos | Hackaday
Using an Arduino as an HID | Splat Space
Arduino USB HID Keyboard - MitchTech | MitchTech
Can Arduino make USB devices? Try using the HID function with Arduino Pro Micro (Leonardo)
A Mini USB Keyboard That Isn't A Keyboard | Hackaday
Digispark Board, Arduino ATtiny85 USB HID,DIY Arduino USB joystickt,DIY Arduino USB Keyboard,DIY Arduino USB mouse|Demo Board Accessories| - AliExpress
Turning An Arduino Into A USB Keyboard | Hackaday
HID Buttons Library for Arduino - Parts Not Included
USB HID keyboard with V-USB | Code and Life
Can Arduino make USB devices? Try using the HID function with Arduino Pro Micro (Leonardo)
USB HID
eeprom - Using Arduino as Keylogger - Arduino Stack Exchange