This is the Circuit source CAD (Fritzing) files for the MAYBE Computer Macro Keyboard
You want to make your own ?
[Just Read the Fucking Manual](https://bozlab.freeboxos.fr/MaybeMacroKeyboard/MacroBoard-Circuit/src/branch/master/Instructions/MAYBE%20Computer%20Macro%20Keyboard%20-%20User%20Manual.pdf)