Digital/ Analog Electronics
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Simple Thyristor Circuits Explained
The article relates the technical specifications of SCRs and their working principles through an easy to understand, step-wise explanation. The article also offers a few interesting SCR projects that can be easily built and used for the relevant purposes...By November 14, 2011
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Make this Useful Emergency Light using 'Cool' White LEDs
Using a combination of a group of high efficiency white LEDs and a unique voltage controller circuit, an almost ideal LED emergency light circuit can be constructed. Let's look at the procedure involved.By November 9, 2011
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Bicycle Speed Indicator Circuit Explained
You may be a good bicycle rider, but wouldn’t you love to know how fast you really ride? The article presents an easy electronic circuit which can be integrated to your existing bicycle dynamo to get an instant LED illuminated speed indications...By August 29, 2011
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Generating Electricity from a Bicycle Dynamo
The proposed mini-electricity generator project is very simple to build and can be used by students for displaying in school exhibition programs. The set up can be used for charging a battery with electricity produced from wind power.By August 29, 2011
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Build Your Own Home Made Water Level Meter
The simple home made water level indicator circuit presented in this article is truly straightforward in design incorporating just a handful of components. Once built and attached to your existing over head water tank, it will provide reasonably accurate...By August 25, 2011
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How to Make a DC Motor Speed Controller Circuit Using Two 555 ICs
An ideal Pulse Width Modulation circuit using the IC 555 is explained in the article. Here the configuration shows how the above mode of the IC can be used for controlling DC motor speeds; however the design can be actually used for a number of different...By August 24, 2011
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Making Flasher, Timer, Oscillator Circuits Using a Single Chip
A built-in oscillator stage in the IC 4060 chip makes it truly versatile and applicable for numerous different applications. It can be easily configured as an accurate timer, oscillator, flasher, clock generator, or sequential timer, and that's just...By August 23, 2011
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IC 4013 Pin-Outs and Datasheet Explored
This IC is basically made up of two D-type flip flop modules and set/reset asynchronous toggle inputs. As the name suggests, the IC is primarily used as a bistable for toggling the output stage of a particular circuit, and it is fundamentally incorporated...By August 17, 2011
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Understanding Small Signal NPN and PNP Transistors
Building virtually any electronic circuit from these small signal transistors and their complementary pairs may be feasible. This goes to show just how versatile and important these devices can be.By August 17, 2011
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How to Make your Land Line Volume Louder Externally
Do you often get irritated due to low ring volumes from your landline telephone? This can in fact become a real problem with houses having multiple rooms. A simple circuit idea of a telephone ring amplifier produced here will make the volume of your...By August 10, 2011