usb-midi-device
There are 4 repositories under usb-midi-device topic.
rppicomidi/pico-usb-midi-filter
Connect a Raspberry Pi Pico between a USB MIDI device and a USB Host to modify the USB MIDI traffic
stuffmatic/zephyr-usb-midi
A configurable USB MIDI 1.0 device class driver for the Zephyr RTOS.
rppicomidi/midi2piousbhub
Use a Raspberry Pi Pico/RP2040 to connect a MIDI USB Host, a serial port MIDI, Bluetooth MIDI and 0-4 USB MIDI devices on a USB hub
bassjansson/esp-synth
A codebase for building ESP-based digital hardware synthesizers.