For the Output Devices assignment I designed a shield for Fabduino. A piezo buzzer has been installed on the shield that can play a glissandi sound when you press a mounted button. Bellow an image of the shield with the Fabduino is illustrated.

The code that performs this interaction is:

The Eagle files for the shield can be foundL schematic and board.

The edited image files ready for Modela (fab modules cam software) are illustrated below.

The following video demonstrates the interaction: