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Engineering student
 · PokharaNepal
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I have made clap circuit which works when sound is given like as clap. It condensor microphone converts sound energy into electrical energy and npn transistor is used as switch and ic 555timer is used and led is used to know switch is on or off.

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Robert Lancer
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Chief Technology Officer at Collaborizm
 · New YorkU.S.
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Laxmi Tiwari is this a task or Show & Tell? I can help you re-categorize it.

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