Other Things to Do

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It is actually simpler to light a single LED to indicate the position of the knob. Try modifying your sketch to do this.

About the Author

Simon Monk is author of a number of books relating to Open Source Hardware. The following books written by Simon are available from Adafruit: Programming Arduino, 30 Arduino Projects for the Evil Genius and Programming the Raspberry Pi.
 Arduino Code

This guide was first published on Dec 10, 2012. It was last updated on Oct 12, 2012.

This page (Other Things to Do) was last updated on Oct 12, 2012.

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