There's also the library for the 'Digispark' project (ATTINY85-based). This seems derived from AVR USB code and can be used via the Arduino IDE: http://digistu

There's also the library for the 'Digispark' project (ATTINY85-based). This seems derived from AVR USB code and can be used via the Arduino IDE: http://digistump.com/products/1 http://digistump.com/products/1 https://github.com/digistump/DigisparkArduinoIntegration/tree/master/libraries/DigisparkKeyboard https://github.com/digistump/DigisparkArduinoIntegration/tre... https://github.com/linker3000/Digiprank https://github.com/linker3000/Digiprank