I have a need to route MIDI to several Raspberry Pi boards at the same time, so I've hacked together a variant of my MIDI Matrix Patch Bay to give me a 3.3V level serial MIDI THRU interface. I've used it for my 8-way Raspberry Pi V1 MiniDexed in the following video. https://makertube.net/w/g8rw9XtF4Z377dsANRu5Yr Warning! I strongly … Continue reading 3.3V Serial MIDI THRU →