led vu meter lights on 37 sec.AVI

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Uploaded by on Aug 26, 2010

Led VU meter made with a LM3915 led chip (used to control 10 leds) when transisters where used,,,you can control 15 or twenty leds off each of the 10 legs of the chip. This one has about 520 leds ,10 transisters and a 12 volt 650 ma power adaptor.

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  • can i also get a schematic and parts list please?

  • use a diode and capacitor on the input. Then your LED's become brighter..

  • nice work .please send me the systemic and parts list

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