Hey all, i finally accomplished making an array of lights respond to low frequency sound (Bass). My next step is to make the LEDs respond to intensity of sound (amplitude?). For example, make a VU meter light up based on the intensity of the sound. I currently use a small electret microphone, spec…

Sound sensor intensity

Ufoguy May 22, 2012, 5:40am 2

I'm a noob. But I think you need an amplifier circuit containing a transistor to do it.

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