MIDI Breath Controller

Breathe in MIDI, breathe out MIDI

by Liz Clark

published March 04, 2026, last edited March 04, 2026

posted in Sensors 3D Printing CircuitPython STEMMA Raspberry Pi/ RP2040

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Project guide

3D Printing

You can 3D print all of the case parts for this project. The files can be downloaded directly below:

MIDI-Breath-Controller-CAD.zip

The mouthpiece fits snuggly onto the end of the tube.

The QT Py tray is secured inside of the enclosure with screws. There is a cutout in the enclosure for the USB C port on the QT Py.

The small peg is inserted into the side of the case to diffuse the NeoPixel on the rotary encoder. For maximum effect, print it in clear filament.

Page last edited March 02, 2026

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