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Tutorial: Simple LED Desk Lamp

Here's how to build your own LED desk lamp where LEDs are connected in series and a PWM technique is used to supply voltage to LEDs. Watch this video for complete...

5G: The Next-Generation Network

With time, generations change, whether it is mankind or technological. But the biggest and fastest changes have only been noticed in the communication network generations in the last few years. We...

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...

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...

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...

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...
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SMPS: Basics & Working of Switched Mode Power Supply

Switch mode power supplies (SMPSs) are used in a range of applications as an efficient and effective source of power. This is in major part to their efficiency. For anybody still...

How To Make A Solar Inverter?

Solar Inverters have now made a wide transition from simply inverting the DC currents of the solar panels to AC. Inverter manufacturers are constantly striving to innovate and cut down costs,...
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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...

81-LED Chaser Light Using CD4017

This is a simple 81-LED chaser light using two CD4017 decade counters. NE555 timer is used for clock generation for CD4017. We have used only two CD4017 ICs to construct the...

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