Proteus Tutorial – Switches and Relays

Narasimha March 8, 2017 2 Comments
 In this tutorial, we will be learning on how to use the “Switch” component in Proteus simulation software. In case you have not got on through the basics of Proteus, here is the link – Proteus PCB Design and Simulation Software...
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How to make a Rheostat

john September 15, 2017 3 Comments
I have already explained in detail the working of a rheostat. To know more about the component click on the link below. TAKE A LOOK : POTENTIOMETER AND RHEOSTAT – WORKING AND COMPARISON Although the below explained process is...
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Police siren using NE555

jacky January 27, 2014 16 Comments
Description. A lot of electronic circuits using NE555 timer IC are already published here and this is just another one.Here is the circuit diagram of a police siren based on NE55 timer IC. The circuit uses two NE555 timers...
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Car subwoofer filter

jacky April 7, 2010 27 Comments
Description. Here is the circuit diagram of a simple subwoofer filter that can be operated from a 12V DC supply. Such a circuit is very useful in automobile subwoofer applications. The circuit is nothing but a low pass filter...
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Frequency to voltage converter using LM331

jacky August 13, 2017 32 Comments
Making a frequency to voltage converter – All you need to know Description LM331 is basically a precision voltage to frequency converter from National Semiconductors. The IC has a hand full of applications like analog to digital conversion, long...
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Tachometer circuit

john April 7, 2010 8 Comments
Description. Here is a simple circuit that can be used as a tachometer. The circuit is basically a frequency to current converter which converts the incoming signal into a proportional current to drive the meter. The deflection on the...
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F to V Converter

john January 27, 2014 23 Comments
F to V Converter Circuit using LM555 Timer CircuitsToday.com has introduced an online store to buy books that provide the basics and applications of 555 timer IC. There are 3 books in store. You can buy them after reading...
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Ding-Dong sound generator

john April 7, 2010 12 Comments
Description. This is the circuit diagram of a ding dong sound generator based on two NE555 timer ICs.The circuit is designed to toggle between two adjustable frequencies to produce the ding dong sound. The first NE555 (IC1) is wires...
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10W amplifier using TDA2003

john September 28, 2017 22 Comments
Description. Here is the circuit diagram of a 10W audio amplifier using the popular TDA2003 IC from SGS Thomson. The IC can easily deliver 10W to a 4 Ohms load at 18V DC supply voltage. The IC can be...
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