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LED flashes on music and without music to stay turned on?

TheMrWolf1994

Mar 22, 2011
1
Joined
Mar 22, 2011
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I want to make this circuit if posible with one TIP31C transistor, sound banana and 2 LED's and i want when is music turned on LED's to blink, but when not music LED's to be still turned on..i found one shematics but don't know what resistor to put, LEDs are bright blue with maximum 10mA..power suply is from the computer and sound banana goes to sound card on copmuter's motherboard..
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