This is a simple rain sensor circuit which can be built by a school grade student very easily and can be used for displaying its relatively useful feature, probably among his friends or in a science fair exhibition. Using IC 555 as the Comparator The circuit is basically rigged using IC 555 as a comparator […]
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Making a Time Machine – Concept Explored
Wondering how to travel in time? Learn it with great Sir Stephen Hawking, according to whom time warp may be an option but seems pretty impractical, the reason being the feed back loop which will just oppose the feasibility of making a time machine and the concept using this theory. Are you intrigued by the […]
3 Accurate Refrigerator Thermostat Circuits – Electronic Solid-State
Interested to make an accurate electronic thermostat for your refrigerator? The 3 unique solid state thermostat designs I have I have explained in this article will surprise you with their “cool” performances. Design#1: Introduction The unit once built and integrated with any relevant appliance will instantly start exhibiting an improved control of the system saving […]
How to Configure a Solar Panel System – Living of the Grid
In thi post I have explained how to connect and integrate readymade solar panel system with our home, without depending on technical personnel or experts. The main gadgets required for implementing this are: a solar panel, a solar controller, battery and an inverter Introduction It’s been there since the earth was born and it is […]
Simple Peltier Refrigerator Circuit
In this post I have explained a straightforward procedure for building a simple refrigerator using Peltier device for generating the required cooling effect inside the fridge. How Peltier Device Works We are all familiar with a Peltier device and know how it functions. A Peltier device is a 2-wire semiconductor device having two surfaces that […]




