DIY: LEDs Flash to the Beat of your Music



          

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This would definitely be an awesome addition to any party. Using an output from your computer or speakers, you can hook up a few LEDs, and they’ll pulsate to the beat of your music. You can expand upon this and hook this entire thing up to your Christmas lights if you really wanted to. Note, instead of using the amplifier seen in the tutorial, you can use one of these nifty audio amplifying transistors, and they’ll probably do the trick.

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