the original signal grounding through a 100R resisitor doesn't work when
powering the le-potato SBC through the IDC connector. Removed the
resistor connection, and added some vias between the 2 ground planes.
new file: midi_to_cv_daughter_board/midi_to_cv_daughter_board.kicad_pcb
new file: midi_to_cv_daughter_board/midi_to_cv_daughter_board.kicad_pro
new file: midi_to_cv_daughter_board/midi_to_cv_daughter_board.kicad_sch