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Christmas Lights to Music Using Arduino

Step 9Ideas for Changes

Ideas for Changes
Expansion:

There are 3 extra pins on the Arduino available to add extra channels.  I'll probably add these three next year (or go with both of the next two options).

Use higher-powered TRIACs, such as the 4A Z0405
     -as long as you are using LED lights, 1A should be PLENTY

Use a shift register so that you can have more than 11 channels.

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Author:MRedmon(Matt's Photo Gallery)