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
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
- Audio & music · two copper layers
- Open source (CC0 1.0) · vpatkov
- Mirrored at 8870dc040734
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.
Audio & music Audio FX standalone sound-trigger player
Audio & music MAX9814 microphone with automatic gain
Audio & music MAX98357A I²S Amplifier
Audio & music MIDI FeatherWing