Sound Operated Switch

This kits includes all the unsoldered components including PCB.

Description:

This circuit will turn on when u clap or snaps of the fingers and turn off when u again clap or snap of the fingers again.

To operate this circuit u need 12V DC voltage.

It can also be operated with battery or ordinary adopter.

There is relay at the output of circuit which is called relay auto switch, mean to turn on any electric appliances like bulb, fan, T.V etc the main supply of one end of wire is connected to relay common point and other end is connected at off point now any appliances will turn on and off with the clap or snaps of the finger.