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audio controlled light dimmer

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raindropsisland

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hello , i would like to use sound signal as an input and want to control a light dimmer with it . I wonder if you could help me with the circuit design...
 

These are popular circuits. Search google for "sound trigger"
 

Hello , thank you very much for this nice referance.
But I would like to ask one more question...
Think of three lamp flashing at the same rate of frequency of the music. I mean if the music is slow they flash slowly otherwise if the music is fast they flash fast too.
(you can imagine a disco :) )

I wonder if you could give a design idea or show any referance...

Thank you very much. Regards...
 

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