April 6, 2015 AT 11:00 am

Make a Keyboard Sound like a Strummed Guitar with LEGOs & #Arduino #MusicMonday


From Instructables user SteevAtBlueDust:

In principle, the circuit is very simple – the Arduino contains six switches made from copper wire. Each digital input is a pull-down resister giving a 0 input on D3-D8. When the plectrum/pick makes contact with the string/wire, this completes a circuit to pull the input to 1.

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