Turn your ProMicro into a USB Keyboard/Mouse - SparkFun Electronics
How to Make a Arduino HID Keyboard : 18 Steps - Instructables
Turn your Arduino Uno into an USB-HID-Mididevice -
USB functions with Arduino Leonardo Micro Uno Mega and HID Project - NicoHood/NicoHood.github.io Wiki
avr - Cannot write to HID USB device (Arduino, V-USB, HidSharp) - Arduino Stack Exchange
Build a simple USB HID Macropad using Seeeduino Xiao & CircuitPython
HID support for USB Host Shield Library 2.0 released « Circuits@Home
GitHub - felis/USB_Host_Shield_2.0: Revision 2.0 of USB Host Library for Arduino.
USB HID
HID Buttons Library for Arduino - Parts Not Included
USB HID
Arduino AVR C++: Simple USB HID multimedia keyboard based upon standard keyboard class - Stack Overflow
USB HID keyboard with V-USB | Code and Life
Turning An Arduino Into A USB Keyboard | Hackaday
Arduino on Twitter: "This library enables an Arduino board with USB capabilities to act as an HID-compliant UPS: https://t.co/teIClSkKJX https://t.co/2PkHOjxZoc" / Twitter
Turn your ProMicro into a USB Keyboard/Mouse - SparkFun Electronics
USB-Keyboard with Arduino and V-USB library, an example - petrockblock
Due and USB HID support: is there a "best" library? RESOLVED - Networking, Protocols, and Devices - Arduino Forum
Developing Arduino code for HID Joystick – Geeetech Blog
USB Host Library for SAMD
Turn your ProMicro into a USB Keyboard/Mouse - SparkFun Electronics