If you have any suggestion of a multiplexer, and where to buy them, I would greatly appreciate.P.S. I searched the forum but I mainly found references to an 8 port multiplerxer. I could use two, but that would partially defeat the purpose on cutting down on wires going back and forth from Arduino and make it for a bigger daugherboard.
I was thinking bluetooth but I don't know if there is a module for this and even if there is, what would be the simplest solution, Bluetooth or RF?
Have you considered Repurposing an existing keyboard ? http://rcarduino.blogspot.com/2012/10/five-dollar-synthesiser.htmlDuane B
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