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microphone to turn on a transistor?

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Screech

New Member
I turned on a L.E.D with a transistor using a light dependent resistor to the base.
I could also turned on the led by touching the positive and the base of the transistor with my fingers(touch switch).

But, how do I do it with an electric microphone?
Basic diagram would be good too?
thanks
 

nettron1000

New Member
You will need a microphone preamp circuit such as this:

**broken link removed**
 
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