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Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

Electronic Projects

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The most common 555 configurations are that of a Astable and Monostable Multivibrator. This shows h
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With the availability of the powerful micro controller in the modern era, people tend to forget the
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Hi, here is a code in C18 for using an LCD in 4-bit mode to display the string "Hello ETO!". It use
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[B]Introduction[/B] An HD44780 Character LCD display device is designed for interfacing with embed
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I, Robert Steve Smith, have put together a series of videos below that will show you how to create
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A test signal generator is invaluable when making or repairing electronic equipment. Although a ful
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For those of us without an actual inductance meter, this project is an easy-to-build way to use an
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The 555 Timer 2012-04-07
The 555 timer is capable of producing accurate timing ranges from micro
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PIC 16F And iRAM Banking By Jon Wilder As some of you have noticed, the internal RAM in the
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Just about once a day, somebody writes in with, “My boom box has a dead battery that says 12 volt
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This article will explain the function of a bypass capacitor, when its appropriate to use them, and
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Time after time I see beginners try to get started in embedded electronics, only to be overwhelmed
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Capacitor ESR Meter 2012-01-27
[B]What is ESR and How Can It be Tested?[/B] As the allmighty Samuel M. Goldwasser says, "ESR (
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A look at a powerful technique for controlling analog circuits with a microprocessor's digital outp
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New Article (work in progress) AMPLIFIER THEORY TUTORIAL No matter how "digital" things get in
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I have decided to convert these tutorials into C. Mainly because there are hardware designs availab
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Since there seems to be very little "simple" code for the dsPIC; here is a "Hello World" example fo
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Here is a simple hello world code for a dsPIC33FJ64MC802.
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To manufacture resistors (or other components like capacitors) of every possible value would be imp
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Water Level Alarm 2011-12-29
This circuit will produce an audible alarm when the water level reaches a preset level.The circuit
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