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.

That’s it on the left, next to a standard MIDI cable plug. The whole thing is so small it fits inside a MIDI plug and can run off the power supplied by the MIDI output, driving a small pizeo buzzer.

So, let’s answer this question comprehensively: how do you connect a MIDI keyboard to your audio interface? 1. Plug it into your computer In short – you don’t. For some of you, at least.