Inverter is a gadget that is used to convert low voltage DC to AC high voltage. This circuit comes in different shapes and sizes also these circuits differ in Output load and waveform. Similarly we have designed a Square wave…
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Servo motors are employed in variety of applications like Robotics, Industries, Computers, Doors, Toys and much more. But unlike generic DC motor we can control the angle of Servo motor. This gives more precise movements using this motor. But Servos…
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Metal detectors are gadgets that is capable of detecting metal elements on a surface. The proximity at which the detectors can detect metals depends on the detector’s range it can cover. Here in this Metal detector circuit we are using…
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When speaking of Smoke sensor circuits we often think about implementing it using Microcontrollers or using a development boards. But in fact there are possible ways you can build a simple smoke alarm without using dedicated sensors or microcontroller. In…
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I always fancied building projects that solves practical problems. And here the problem is, I have this bad habit of misplacing things like my Coffee cup, Notebook, Pen stand and such. This often led me to waste so much time…
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Theft alarm circuits are quite famous and you probably could have seen plenty of different versions of it. The above circuit is yet another burglar alarm circuit but a simple one which would take only 5 to 10 mins of…
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Random number generators are fun circuits that has applications in games, lottery and so on. While most of the number generators are based on MCU, I thought to build it only using a 555 timer and IC 4026 along with…
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