Osu_Keyboard A keyboard for osu with 2 switches and 4 functions Materials Arduino Leonardo or Pro Mini (Because they have ATmegaXU4 microprocessor, this microprocessor can be used as keyboard) 2 x WS2812B led Instructions 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! Made by Wroomhers