3 6 out of 5 stars 37.
Clapping to turn off lights.
In the sounddetector we have particle subscribed to the event brightroom which turns off the light when the room exceeds a certain light level to hopefully help turn off any unnecessary lights.
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When the light is turned off the d7 blinks rapidly then turns off showing the state of the light.
Ciamlir the clapper sound activated switch on off hand clap electronic garget light 110v.
Clap twice and two signals are generated setting off the first outlet.
With a small screwdriver gently turn the potentiometer on the sensor counterclockwise all the way.
To turn off an outlet simply repeat the process.
3 2 out of 5 stars 30.
By clapping you trigger the microphone to set off the sound filter which in turn sends a signal to the electrical switches.
Clap three times and three signals are generated setting off the second outlet.
Clap to see if that sound is high enough to turn the led on the arduino.