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Electronic Theory

Basic principles, ideas, concepts, laws, and formulas behind electronics.

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Sometimes we want to know the current draw of a device for various reasons. One reason would be to
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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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To manufacture resistors (or other components like capacitors) of every possible value would be imp
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Over the years many threads have revolved around the poor operation of a circuit built on a breadbo
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[ATTACH=RIGHT]54828[/ATTACH]This handy Decade Counter (or sometimes called a Johnson Counter) can b
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You can easily test the health of a UJT (Uni junction transistor) by using a digital multimeter. Do
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[QUOTE=TiagoSilva;838453]I always liked ARM processors too, but there is too much offer, and for so
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New ArticleDIY Printed Circuit Boards for the home hobbyist methods and mistakes By Doug Bezaire
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hello friends, i am trying to make a 3 Axis 3 axis cnc router. i want to control the 3 stepper
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I wrote up a Eagle tutorial for another user on this forum, but I thought, what the heck someone el
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INTRODUCTION The unit commitment is an optimization problem that economically schedules generati
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When laser printers first came into coomon use (in the workplace anyway), here's a technique I came
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Ohms Law 2010-01-04
Ohms Law The relationship between current(I), voltage(V or E), and resistance(R) was discovered
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