Roland K-25m USB MIDI via Raspberry Pi Pico

It's true that I'm drowning in unfinished projects but this one was a fun afternoon project. Sometimes I need a small project in between just to get some fresh air and I was missing a good small keyboard for playing small synths anyway. So I ordered a Roland K-25m. It's meant to be used with the Roland boutique series and connects via a 16 pin IDC connector (the same that Eurorack also uses). I…