Audio Controlled Mains Switch Circuit


Posted on Mar 22, 2013

This circuit will switch off the line supply to audio or video equipment if there has been no input signal for about 2 seconds. SI provides manual operation and S2 acts as a reset. This circuit allows for time to change a tape or compact disc.


Audio Controlled Mains Switch Circuit
Click here to download the full size of the above Circuit.

About 50 mV of audio signal is necessary.




Leave Comment

characters left:

Related Circuits

  • New Circuits

    .

     


    Popular Circuits

    Digital Stopwatch 0-60sec
    Waveform Capture and Control
    Remote Control using DTMF
    Frequency tripler
    Sawtooth-and-pulse-generator
    Simple Game Circuit
    cr vacuum tube detector radio
    digital voltmeter circuit diagram
    Radio Circuits
    Polaris Jet Ski Model SLTX 1050
    Voltage multipliers
    Automatically Repeating Interval-Timer Circuit
    Hybrid power amplifier 01
    Counter circuit diagram of the digital circuit



    Top