How To: Wire your Christmas lights to flash in time to music

Wire your Christmas lights to flash in time to music

Want to replicate that cool effect when you can watch Christmas lights flash in time to music? It's easy! You'll need a set of speakers, an outlet adapter, excess power cord, a solid state relay and, of course, Christmas lights! Once you've gotten all your project pieces assembled, follow this tutorial so you can wire them up to your music.

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