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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 Theory

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

Top resources

Radio push-button function is provided by a simple circuit using a CD4011 in a latch configuration
How to select power devices and specify heatsinking
Design and build practical electromagnets using simplified theory and formulae
Two relationships can simplify capacitor and inductor voltage and current calculations
data books, application reports, eletronic theory books, electronic magazines from yesterday
books & other info covering electronic design that I have found useful
Having a hard time understanding basic Electronics Components. Here's a perfect guide
Transducers 2014-01-08
This article doesn't fit well in any of the categories since it's more philosophical than practical.
A series of videos showing you how to create basic circuits using an Arduino.
The Intel 8051, as old as it is, is still a very popular processor in use today. Some say it's due
How to calculate voltage drop across series resistors.
An ordinary automatic room power control circuit has only one light sensor. So when a person enters
[B]Summary[/B] This article presents the design of Class-A VHF transistor amplifier intended to pr
This attempt at an instructional thread is in response to several experiences I've had trying to co
The Basic use of a pull-up or pull-down resistor is to prevent a 'floating' input to a digital circ
Biot Savart Part 1 2013-01-17
This article is about computing the magnetic field outside of a finite straight wire using Biot Sav

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