How I Turned QR-Coded Chips Into a Multi-Track Musical Instrument on iOS Without Core ML
Published: September 11, 2026
Duration: 31:25
This story was originally published on HackerNoon at: https://hackernoon.com/how-i-turned-qr-coded-chips-into-a-multi-track-musical-instrument-on-ios-without-core-ml.
How I built an iOS app that turns QR-coded chips into a 24-track musical instrument using AVFoundation, with no Core ML and zero dependencies.
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MusicWaveBoard is an...