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Siren Circuit diagram using two Transistors

Frank Donald May 9, 2014 3 Comments

Siren Circuit using simple Transistors The above given was a simple Siren Circuit diagram using transistors which can be built and implemented by means of low cost. The basic principle behind siren circuits are producing waveforms which differ in frequency…
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Audio Circuits

transistors

Social media icons Rollover hover effect using CSS

Frank Donald May 5, 2014 3 Comments

Rollover social icons Social icons in a site or blog holds a important place in turning the visitors to followers and adding hover effects to those icons increase the chance. So we are going to see a cool hover effect…
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Web Designing

css

Two Digit Counter Circuit using 7 Segment and IC 4026

Frank Donald May 1, 2014 60 Comments

Two digit Counter Circuit can be seen in hospitals, banks etc for the purpose of counting any process. You might have seen the Single Digit Counter Circuit using 7 segment in our site and this is just an expanded version…
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Counter Circuits

Timer IC 555

AC vs DC : Which one is very Lethal to Humans?

Frank Donald April 27, 2014 0 Comments

AC vs DC AC and DC are the two forms of current which we use in our daily life. You might have a question that which one among these AC vs DC will be very dangerous to the humans. In…
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Electronics

Working of MAX232 IC

Frank Donald April 24, 2014 0 Comments

MAX232 IC Pin diagram MAX232 is a widely known IC used for establishing serial communication between Microcontrollers and Personal Computers (PC). This IC is used to convert TTL/CMOS logic levels to RS232 Logic levels during the process of serial communication….
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IC Working

IC

Bidirectional Motor Controller Circuit using L293D

Frank Donald April 21, 2014 4 Comments

Motor Controller Circuit using L293D Motor Controller driver IC’s are widely used in electronic circuits to control the motor with ease and to drive it efficiently. L293D is a similar  motor driver mostly employed along with the Mircocontrollers to perform…
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Control Circuits

dc motor

Automatic Lamp Dimmer Circuit using Triac

Frank Donald April 17, 2014 12 Comments

Automatic Lamp Dimmer Circuit using Triac Lamp dimmers circuit can be found through out the internet since these kind of circuits are have a great significance in real time.  Here is a similar circuit which was used to control a…
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Lighting Circuits

lamp

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