Many of us are familiar with traditional office call bell that is used to alert assistants or other colleagues. It doesn’t have to this boring setup. Here is a simple circuit that can be used as an alternative to this…
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In times like these it’s important to take measures to sterilize or disinfect surfaces or things we interact with daily. Applying sanitizer or lotions may not be a viable solution in many circumstances. Did you know Ultraviolet lights of certain…
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Identifying unknown voltage is something we often come across when working with circuits. Of course Multimeter is the perfect tool for this application. But recently I came across a situation where my Multimeter turned out to be faulty and I…
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RF also known as Radio Frequency Signal is omnipresent in today’s world. Although there are places where we receive poor reception of RF signals and a detector will come in handy in these instances to rectify this problem. Alternatively there…
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Summers are at its peak now and I thought to myself now might be the time to install a fan close to my work space. However to do it power efficient, Switch operated fan is not a great idea. So…
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Sensor activated switches or lighting circuits are quite easy to build and will come in handy with plenty of applications. In this article we will see how to build a force or pressure switch for AC appliances and Force activated…
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