LDR Engineering

LDR Engineering

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Just started electronics ? And you don't know any engineering behind your projects and you are afraid of failure....then just read this article. Usually, success...

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In this article, we are going to describe how you can use the "fully assembled clap_switch" to light up 100-240V appliances. When we say...

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Description: Here's a simple DIY clap switch circuit. The circuit is mainly composed of an audio frequency and a bistable trigger circuit. Q1 and Q2 together form...

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Here's my new digital object counter DIY kit. This was one of my academic projects of engineering degree. Several years ago in 2003, I...

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Here is a very simple breadboard power supply kit that takes power from a DC wall wart and outputs a selectable 5V or 3.3V...

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The LM317 is an adjustable three-terminal positive-voltage regulator capable of supplying more than 1.5 A over an output-voltage range of 1.25 V to 37...

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This is PAGE 2/2 of the article titled "How to make one transistor FM transmitter on a stripboard". Go to previous page. You can buy...

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In this article, I am going to show how to plan and make a single transistor FM transmitter on a stripboard (prototype board). This...

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Here's one of the easiest and simplest FM transmitter for amateur and electronics beginners. With this DIY kit, you can transmit your voice or...

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This tutorial is related to my DIY remote operated switch kit. If you have come to this page from a search engine, please visit...

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Description: Here's a simple do-it-yourself (DIY) remote operated switch. You can use this simple kit to switch ON/OFF any appliances working on 220V AC. This...

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If you have come to this page from a search engine, please check this article to know about clap switch. Follow the given steps...

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This article is about assembly of infrared transmitter used with digital object counter DIY kit. If you have come to this page directly from...

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This is one of the simplest ways of making an FM receiver. Just get a low cost FM receiver kit, make an audio amplifier...

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This is a simple 4-in-1 do-it-yourself (DIY) kit from BuildCircuit. The kit has four different circuits that can be switched on separately or together...

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CRYSTAL SET The simplest radio receiver, known as a Crystal Set, consists of nothing more than a coil, tuning capacitor, diode detector, and a pair of earphones. A...