Arduino Concertina

Last Updated or created 2023-01-17

Lets try to make a Electronic Concertina


First design

So we need some pushbuttons … at least 14 .. for the most simple tunes.
A sensor for push and pull.
A buzzer or better yet .. a jack for earphones.
Arduino with enough pins to connect a keyboard matrix.
When using a keyboard matrix only single keypresses are detected.
So we cant do chords!

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