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Clap

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Submitted By lemor
Words 282
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Clap switch

December 18, 2010 - Basic Electronics, LDR Engineering, MINI Breadboard - Tagged: 555, clap switch - 184 comments
READ ABOUT RECENTLY PUBLISHED CLAP-SWITCH
CHECK “CLAP-SWITCH WITH TOGGLE FEATURE”.
In order to make a clap switch, we have to combine the touch sensor(monostable mode of 555 and the transistorized dark sensor circuits. Whenever there is loud sound produced near the electret condenser mic, pin 2 of 555 gets triggered and it switches on the LED D1. The LED remains on for a definite time determined by R1 and C1. We can adjust the sensitivity of the circuit using a variable resistor in place of fixed resistor R5. You can check the circuit with 1K or 10K.
- See more at: http://www.buildcircuit.com/clap-switch2/#sthash.XShIrDIv.dpuf

The schematic of clap switch:

You can see the steps for making clap switch on the video given below.
- See more at: http://www.buildcircuit.com/clap-switch2/#sthash.XShIrDIv.dpuf

If you want to glow a bulb operating at 220V, use the following schematic:

clap switch operating 220V bulb
Before you make this project, read carefully about RELAYS: http://www.buildcircuit.com/how-to-use-a-relay/ If you are not confident at making circuits, don’t work with 220V, it can be dangerous and harm you.
READ ABOUT RECENTLY PUBLISHED CLAP SWITCH
CHECK “CLAP SWITCH WITH TOGGLE FEATURE”.
- See more at: http://www.buildcircuit.com/clap-switch2/#sthash.XShIrDIv.dpuf

As what i understand, this clap switch can detect false triggering from claps where it protects your circuit from turning on and off due to unnecessary sounds or unintended sounds or claps.
Very nice clap circuit actually but needs some programming.

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