Documentation of the Firmata protocol.

sound synthesis library for Arduino

Arduino library for creating MIDI controllers and other MIDI devices.

Keyboard firmwares for Atmel AVR and Cortex-M

A low latency guitar effects processor suitable for running on a raspberry pi

Raspberry Pi config for all things Internet.

U8glib library for monochrome displays, version 2

Original: https://github.com/waveshare/e-Paper