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  • 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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  1. Electronic Projects 74
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View all featured resources
Resource icon M
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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Resource icon ()blivion
Easy DIY "Wiimote" Light bar 2013-01-17
[B]*DISCLAIMER* THIS PROJECT WORKED 100% FOR ME, I HOPE IT WORKS FOR YOU TOO. BUT I CAN NOT SUPERVI
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Resource icon DerStrom8
The Secret Knock Detector Project 2013-01-17
[B]Introduction and Overview[/B] The Secret Knock Detector project is a variation of Steve
5.00 star(s) 1 ratings
Updated
Resource icon alec_t
Skinflint's Anti-static Wrist-strap 2013-01-17
When working on static-sensitive circuits, e.g. involving CMOS ICs, it is advisable first to discha
5.00 star(s) 1 ratings
Updated
Resource icon alec_t
Simple PWM control 2013-01-17
Here's a simple PWM control circuit using inexpensive readily-available components. [ATTACH=CONFI
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Resource icon alec_t
The versatile CD4093B Schmitt NAND IC 2013-01-17
Schmitt logic gates such as in the CD4093 quad NAND gate IC are useful buiding blocks for various f
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Updated
Resource icon D
555 Timer as a Hysteretic Controller 2013-01-17
The 555 timer IC is often used to provide flexible astable oscillators and monostable timers. The I
5.00 star(s) 2 ratings
Updated
Resource icon W
A Novel Harmonic Oscillator: The GIC Resonator 2013-01-17
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Resource icon L
Introduction to Electron Tubes 2013-01-15
Vacuum tube, electron tube, or thermionic valve is a type of an electronic component mainly used on
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Resource icon ()blivion
Voltage Splitter. 2013-01-14
A lot of times when building circuits, (such as op-amp circuits), you'll find that you need a power
5.00 star(s) 2 ratings
Updated
Resource icon ()blivion
Stupid Simple Temperature Controlled PC box fan driver. 2013-01-13
Hello and welcome. Feel free to skip any sections you don't want to read. To make this circuit work
5.00 star(s) 1 ratings
Updated
Resource icon ()blivion
Extensible dummy load. 50 plus Watts per transistor. 2013-01-12
I TAKE ABSOLUTELY NO RESPONSIBILITY FOR ANY INJURY, DAMAGES OR UNLAWFUL CONDUCT CAUSED BY FOLLOWING
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Resource icon Mosaic
Integer Percentage & ASM, no FP 2013-01-05
This is a further discussion in the vein of 3v0's scaling article posted earlier. Percentage cal
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Updated
Resource icon alec_t
Mains-powered LED night-light 2012-11-09
I'm probably re-inventing the wheel, but here are a few variations of a mains-powered night-light f
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Resource icon M
Diode Log and AntiLog Circuit Derivations 2012-10-15
Here is some basic theory on diode log and antilog circuits and their derivations. Lots of people s
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Updated
Resource icon M
Indirect Measurement of the Current Draw of a Device 2012-10-15
Sometimes we want to know the current draw of a device for various reasons. One reason would be to
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Updated
Resource icon 3v0
COOP BUILD: Breadboard Trainer/Lab/Breadboard Buddies 2012-10-13
This is the master index for all completed modules for this project. Please PM 3v0 if you have upl
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Resource icon ElectroMaster
Toy Organ 2012-09-17
This circuit produces a tone according to the button being pressed.
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Updated
Resource icon C
Real-Time 'Stopwatch' 2012-09-10
This is a simple electronic "stopwatch" you can use to time an event. I used it when developing a d
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Resource icon Mikebits
TimerBot Project 2012-09-06
This document presents several 555 timer circuits and there usage for a robotic obstacle avoidance
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