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"Ron" wrote in message ... If you mean an LED VU meter, see the top item on this page: http://www.alltronics.com/kits3.htm If you mean flash random LED's to the beat of the music, that's a little more complicated. In either case, since an LED is a current driven device, you would need to build a circuit to drive the LED's. Just wiring them to the headphone jack won't work. It might.... geoff |
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