Carrying on from the Pico (Seeed RP2040) based USB to MIDI and MIDI to HiD interfaces, I thought I’d take a look at a USB host to MIDI interface again based on the Pico. This will use a Seeed again and emulate the USBhost interface using a pair of GPIO pins. It can be recoded to take on the USB to MIDI role or MIDI to HID role as the hardware is common except for the additional USB socket.
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