By clapping you trigger the microphone to set off the sound filter which in turn sends a signal to the electrical switches.
Clapping to turn off lights.
Ciamlir the clapper sound activated switch on off hand clap electronic garget light 110v.
When the light is turned off the d7 blinks rapidly then turns off showing the state of the light.
The sound activated on off switch turn on household devices with the clap of your hands plugs into standard light sockets works with lamps and other devices can be used in tandem with a second clapper for turning on multiple devices contains one clapper.
The clapper sound activated switch 120 v white ul boxed.
To turn off an outlet simply repeat the process.
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With a small screwdriver gently turn the potentiometer on the sensor counterclockwise all the way.
Clap twice and two signals are generated setting off the first outlet.
Clap to see if that sound is high enough to turn the led on the arduino.
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Clap three times and three signals are generated setting off the second outlet.