GitHub - julianschuler/USBKeyboard: Arduino library to add HID USB keyboard functionality to your projects
Turn your ProMicro into a USB Keyboard/Mouse - SparkFun Electronics
Turn your ProMicro into a USB Keyboard/Mouse - SparkFun Electronics
M5stack Official Cardkb Mini Keyboard Unit Mega328p Grove I2c Usb Isp Programmer For Esp32 Arduino Development Board Stem Python - Demo Board Accessories - AliExpress
USB HID
Connect Arduino UNO to USB Keyboard : 5 Steps - Instructables
USB Pedal HID Keyboard With Arduino Leonardo : 9 Steps - Instructables
GitHub - PaulStoffregen/PS2Keyboard: PS/2 Keyboard Library for Arduino
Connect Arduino UNO to USB Keyboard - Arduino Project Hub
Turn your ProMicro into a USB Keyboard/Mouse - SparkFun Electronics
The Easy Ways to Drive USB Keyboard from Arduino - Embedds