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Basics of Light Emitting Diode (LED)

In this video, the author is going to give you a tutorial on Light Emitting Diode (LED) basics. In this tutorial, he will be explaining basic construction, working applications of LED,...

Solar-Powered Irrigation Systems

Solar-powered water pumping systems can find application in town water supply, livestock watering and irrigation. Solar-powered irrigation system is an application of solar-powered water pumping system used in paddy fields, gardens...

RFID Technology: A Complete Overview

Radio-frequency identification (RFID) technology involves the use of electromagnetic or electrostatic coupling in the RF portion of the electromagnetic spectrum to uniquely identify an object, animal or person. It has established...
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How To: Home-made Solar Panels

In this video, the author is going to show you how to built some solar panels from start to finish These panels cost the author very little to build and are...
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How To Build A Simple Laser Tachometer

Did you know you can use an LED as a light sensor? In this video, the author will show you how to use this phenomenon to build a laser tachometer capable...

Microstrip Antenna and Their Applications

  Antenna is one of the critical components in any wireless communication system. The word ‘antenna’ is derived from Latin word ‘antemna.’ Since the first demonstration of wireless technology by Heinrich Hertz...

Electronics In Cars

JULY 2009: Necessity is the mother of invention. If you peep into the history, you would realise that cars were originally made of only mechanical parts, but today electronics constitute a...
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Repair: Headphones

Most of us have had headphones fail. In this guide author will show you how to fix them! It's easy! Left/Right Channel Test: click here Courtesy: DIY Perks  

Controlling 3-Phase Induction Motors Using VFD And PLC

Various automation processes in the industry need control of AC induction motors using AC drives. Presented here is a robust system for switching on/off, varying the speed and direction of rotation...

Wireless Gesture-Controlled Robot

In this project we are going to control a robot wirelessly using hand gestures. This is an easy, user-friendly way to interact with robotic systems and robots. An accelerometer is used...