open-source

USB-MIDI breath controller

An ATmega16U4 and pressure sensor turn breath pressure into USB-MIDI expression, with a configurable response curve.

License
CC0 1.0
Source revision
PCB REV. 1 · 2019-06-09
Last mirror
Sep 10, 2026
Git commit
8870dc040734
USB-MIDI breath controller board

About USB-MIDI breath controller

An ATmega16U4 and pressure sensor turn breath pressure into USB-MIDI expression, with a configurable response curve. Original two-layer design for adaptation to ViaGrid; rerouting and testing are required.

Published design files

Canonical source stays in the upstream git repository (and in WalGit after a successful mirror push). Generated renders and 3D models use artifacts/viagrid/usb-midi-breath-controller/8870dc040734bd63dc26341e27b129c5e1246507/fdf8b119acd6edb9 on the artifact CDN and are not checked into git.