expresspcb
There are 3 repositories under expresspcb topic.
gom9000/MIDIFilterBOX
A MIDI messages filter box
gom9000/xp-mobs-library
Electronics Module Boards Library eXPerience
gom9000/xp-simplebus
xpSimpleBUS - A home didactic, I/O oriented, simple 8-bit BUS-system eXPerience