Last Updated or created 2023-01-17 Lets try to make a Electronic Concertina UPDATE:https://www.henriaanstoot.nl/2023/01/10/arduino-concertina-poc/https://www.henriaanstoot.nl/2023/01/17/arduino-concertina-poc-2/ 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 … Continue reading Arduino Concertina