Modern Device Forum

Check out Arduino's SoftSerial: http://www.arduino.cc/en/Reference/SoftwareSerial You have to change the Fluxamasynth library though - it has the hardware serial hard coded...

It took me a while to realize that it has to be powered by an external power supply. I would just add one sentence to the main product page to avoid confusion. Great product so far - i wish I had more time to experiment with it...