The Sound control electronic corsage circuit

Published:2011/6/15 1:44:00 Author:Christina | Keyword: Sound control, electronic corsage | From:SeekIC

This circuit is composed of the sound source amplifier and the LED driving circuit. The microphone is used as the voice detector to change the voice signal into the electrical signal and this electrical signal is amplified by BG1 and BG2 to drive BG3 to turn on the LED.



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