The 3-Note Piano makes use of the capacitive sensing library to generate a tone when a sensing plate is touched. A sensing plate, which is a material with insulating properties, is connected to a high value resistor enables the Arduino to sense the electrical capacitance of the human body.
In Simulink, C-code is wrapped in an S-Function.
Techsource Technical Team (2021). 3 Note Piano on Arduino with S-Functions (https://www.mathworks.com/matlabcentral/fileexchange/51980-3-note-piano-on-arduino-with-s-functions), MATLAB Central File Exchange. Retrieved .
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