atmegaduck/atmega_duck.inowith the Arduino IDE.
WiFi Duck AVRsection, select your board; for example,
Sparkfun Pro Micro.
Toolsyou can enable the LED and set its pin. You can also change the USB ID to make it appear as a certain type of keyboard.
If you flashed your Atmega32u4 board with the wrong bootloader,
it will no longer appear in the port selection after you connect it.
To solve this, you need to:
GND. Preferably with a jumper wires, because you need to be able to disconnect it quickly.
atmegaduck/atmega_duck.inoor an empty sketch.
Uploadand as soon as you see
Uploading..., disconnect the wire.
Now it should flash the sketch and the correct bootloader.