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Clap Switch (Simple, illustrated, you can build it)
In this tutorial we will learn about clap switch. Clap switch is a circuit with which we can turn ON-OFF any electrical equipment. Whenever we clap the equipment will turn ON and when we clap again the...
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Image may be NSFW.
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How to know whether a person is dead or alive, under a second
Warning:Preface:There are various ways to know, whether a person is dead or alive by measuring breathing pattern, heart beat or by using sophisticated brain scanner (Picture shown above). Measuring...
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