The newly released Arduino Leonardo has a few very interesting features, most notably the ability to act as a USB keyboard and mouse thanks to the new ATmega 32U4 microcontroller.

C-13X-STM32-PCB-Converted-Keyboard Converted C-13X handwired keyboard to STM32 PCB version. USB C port would need a small USB C to USB A cable to connect to case hole to outside. I didn't choose a USB ...

Port of the ESP-IDF USB host HID example to the Arduino IDE with minimal changes. This is an Arduino library so install it in your Arduino library directory. The easiest way to do this is to download ...