Diapasonix ­Instrument And MIDI Controller

More DIY marvels on the way, this is the Diapasonix - a fantastic looking musical instrument and MIDI controller which can be played similarly to stringed instruments like guitar, bass, ukulele, and violin. It features a capacitive touchpad fretboard, OLED screen, I²S audio output, and a built-in synthesizer with chainable audio effects powered by the AMY synthesis engine. The source code and construction files are below, but here are some more details: 

Diapasonix is a portable electronic musical instrument and MIDI controller that is played similarly to a stringed instrument. Its four-string, six-fret layout (24 touch points total) can be set up to match traditional stringed instruments like guitar, bass, ukulele, violin, double bass, banjo, and so on. If you can play any of these instruments, you can play Diapasonix! This is just a prototype, I'll create a better version in the future.

Source code and construction files: https://github.com/TuriSc/Diapasonix

More info and similar projects: https://turiscandurra.com/toys-and-circuits/

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