LED Gingerbread house using arduino

Last year my Wife and I started a new tradition of building a Gingerbread house for Christmas. We had a few nicely decorated houses last year, and I wanted to do a little more this year. Adding LEDs makes everything better, so that is exactly what I did! This instructable will show you how to wire up a ginger bread house with many LEDs (41 in this case) while only using a few pins of a micro controller to c ...

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