Bi-directional converter between MIDI USB and MIDI UART. There are many pages that describe how to connect a UART port to DIN connectors so it is not covered here. Maximum System Exclusive size is ...

The old way of making an Arduino MIDI USB host to MIDI DIN converter consists of an Uno, a USB host shield, and a MIDI DIN shield. This project uses an Adafruit Trinket M0 which has USB host ...

[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 ...