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→controlling from a Processing app
[6] "/dev/tty.Bluetooth-Modem"
[7] "/dev/cu.Bluetooth-Modem"
** Now if I run the sketch again, I know that it will be properly communicating with the Arduino. You will need to modify that line to reflect whichever serial port your arduino is connected to.
* Upload the original (unmodified) Dimmer code to your arduino in the arduino software. Your processor should now be running that code... waiting for input!