Arduino based Solenoid controller

[PaulKinlan]

Have an Arduino attached to the hub via a serial port. Send the orchestra configuration over it.

The Arduino will process the orchestra pattern and activate a series of 4 solenoids that act as the notes on an instrument. Or 8 if it is two player!

The player can then attach the solenoid to any surface to create different sounds.

Inspiration: https://github.com/mcqn/RFIDrum/blob/master/RFIDrum.ino
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