MouthPiecer is an arduino script for Teensy4.1, acting as a man-in-the-middle MIDI device. The first goal for myself was to build a device that would add a way to insert pitch bend capabilities for my TravelSax 2 wind controller. But, more generally, a lot more continuous controls can be added on the fly to the MIDI traffic generated by a controller, by using this method.
https://forum.pjrc.com/threads/66835-T4-Using-USB-Host-with-MIDI https://little-scale.blogspot.com/2021/04/midi-usb-host-to-and-from-midi-5-pin.html https://github.com/vjmuzik/NativeEthernet/tree/master/examples https://www.electronicshub.org/hall-effect-sensor-with-arduino/ https://github.com/FortySevenEffects/arduino_midi_library https://www.pjrc.com/teensy/td_libs_MIDI.html https://www.pjrc.com/teensy/td_midi.html https://www.cs.cmu.edu/~music/cmsip/readings/MIDI%20tutorial%20for%20programmers.html https://diyi0t.com/tcrt5000-line-tracking-module-arduino-esp8266-esp32/ https://dyor.webs.upv.es/en/seguilineas/ https://projecthub.arduino.cc/abhilashpatel121/using-ir-sensor-tcrt-5000-with-arduino-60cc92 https://anotherproducer.com/online-tools-for-musicians/midi-cc-list/ https://koromix.dev/tytools