[Joonas] became frustrated with cheap but crappy MIDI to USB converters, and the better commercial ones were beyond his budget. He used a Teensy LC to build one for himself and it did the job ...

He solved the problem by building the Tannin DIY MIDI controller ... On the host PC side, he ran loopbe30 to create a virtual MIDI cable to Traktor, his DJ software. We love a build that ...