Published June 6, 2026 | Version 0.1.1
Software Open

PIANO_H7 — Controller board firmware for an optical digital MIDI piano

Authors/Creators

Description

Firmware for the master controller board (STM32H723) of a self-built digital MIDI piano with optical key sensing. Provides an LVGL touch UI, a class-compliant USB-MIDI interface, a multidrop UART master bus to the PIANO_G4_cbt6 sensor boards, hammer-flight-time-to-velocity modelling, calibration storage and a custom bootloader.

Notes

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Files

ScherbakovAl/PIANO_H7-0.1.1.zip

Files (118.0 MB)

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md5:f27d4ad1aeb286523de95a7fb949114b
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Additional details

Related works

Is supplement to
Software: https://github.com/ScherbakovAl/PIANO_H7/tree/0.1.1 (URL)

Software

Repository URL
https://github.com/ScherbakovAl/PIANO_H7