https://learn.adafruit.com/adafruit-feather-m0-bluefruit-le/hidkeyboard
HIDKeyboard | Adafruit Feather M0 Bluefruit LE | Adafruit Learning System
Feather is the new development board from Adafruit, and like it's namesake it is thin, light, and lets you fly! We designed Feather to be a new standard for...
adafruit featherlesystem