A keyboard for osu with 2 switches and 4 functions
- Arduino Leonardo or Pro Mini (Because they have ATmegaXU4 microprocessor, this microprocessor can be used as keyboard)
- 2 x WS2812B led
- First of all if you using Arduino Leonardo cut the pins. Box is too small for its pins.
- After that solder the cables like
- Print desings with 3D from printer
- Upload the code and you're ready!