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:

New Circuits

.

 


Popular Circuits

RC transmitter with MC68HC711
Rear Fog Light Controller With Delay
Solar Cell Voltage Regulator
simple electronic organ
Electronics Projects: Simple 12 Volt Day Night Switch
analog to digital converter adc0804
sound capture
DC Chopper control vs Phase Angle control
Combinatorial and Sequential Circuits
Debounced Counter Made From Off-The-Shelf Chips
Yaesu FT-736R AGC



Top