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Sawtooth Wave Generator circuit using IC NE555

Frank Donald February 26, 2014 0 Comments

Waveform generator circuits are quite handy as we can employ those in several complex circuits as a feed to it. And square wave generator with IC 555 is very familiar and today we are going to see a circuit which…
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Oscillator Circuits

Timer IC 555

Intruder or Burglar Alarm circuit using Infra Red (IR)

Frank Donald February 16, 2014 2 Comments

Click over the image to view enlarged one Burglar Alarm circuit can be seen wide over the internet and some of them are real simple to implement to do it self on our home. Each circuit needs different kind of…
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Alarm Circuits

opamp

Displaying text on Image hover using HTML and CSS

Frank Donald February 9, 2014 7 Comments

Image hover effects are usually used to increase attraction as well as gaining attention of the visitors towards a certain image. Here is a similar effect in which the details or description of the image will be displayed when the…
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Web Designing

css, html

Bidirectional Motor controller circuit using IC L298

Frank Donald February 6, 2014 11 Comments

Motors in electronic circuits serves several purpose in driving things and enables object movement. Its important to drive the motor correctly to achieve the desired output from the circuit. Usually motors are controlled by means of changing polarity of the…
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Control Circuits

dc motor

Bicolor Disco Lights Circuit using IC 555 and CD 4017

Frank Donald January 30, 2014 11 Comments

moving-bicolor-disco-lights--circuit-diagram

Disco lights Circuit have been quite famous among the lighting circuits made using LED’s. 555 timers are widely employed in lighting circuits like this to spice up the lighting effect produced by the circuit. Here we are about to see…
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LED Circuits

LED

Image Rotate Hover CSS and HTML

Frank Donald January 25, 2014 0 Comments

Image Hover effects using CSS have been quite famous in web developing and pretty handy in giving attractive looks to your site. This is an image rotate hover effect using simple CSS and HTML. This one is called as photo…
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Web Designing

css, html

Creating time delay using Timers in 8051 Microcontroller

Frank Donald January 22, 2014 6 Comments

Time delay in 8051 using timers Time delay generation was one of the important concepts dealing with the 8051 Microcontroller and also it holds significance in almost all Mc applications. There are many ways to create a time delay using…
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8051 Tutorials

timer

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