a couple of resistors and a MIDI connector. After testing his simple circuit on a bread board, he managed to squeeze it all inside an old USB dongle housing, stuffing it in dead-bug style.

Your MIDI keyboard should now be successfully interfaced with your computer, potentially via your audio interface. This hurdle cleared, you are now unfortunately through the looking glass – and may be ...

First [mitxela] built a MIDI synthesizer into a DIN connector, then a couple of months later he made a somewhat more streamlined version. While both were feats of engineering derring-do ...