Peak voltage detector - Lights to the beats

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02:33:34

I used this circuit to generate a peak amplitude signal reference to compare to sine waveforms and trigger the output of the comparator to flash LED lights. 

The input sine waveforms are audio signals filtered by a low pass filter under 200 Hz, so that the LED would flash according to the beats of a music, and the peak detector would make the circuit work for any volume and music style!

published 3 years ago

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