- Install arduino software :
- Download link : https://www.arduino.cc/en/Main/Software or :
sudo apt-get install arduino
- Add the libraries located in the /Adafruit Feather/libraries/ into arduino - To do this, go to Sketch -> include -> Add Librairie
- Connect the board in any USB serial port.
- Copy the code you want to use into the arduino software and click on televerse.
Your cards are ready :D