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→Controlling the Arduino from a Computer
* You should be able to change the color of the on-screen square by dialing the knobs back and forth.
== Controlling Sending Data from the Computer to Control your Arduino from a Computer ==
Controlling a physical LED with the computer.
* Compile the Examples->Communication->Dimmer example, and upload it to your board. This example sets up communication on the serial port (in the <code>void setup()</code> function, and then reads values from the <code>Serial</code> input, and writes them to the <code>ledPin</code> output.
