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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.

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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

A collection of electronic circuits and projects you can build. Created by our very own members.

Categories

  1. Electronic Projects 74
    1. Alarms 1
    2. Audio 0
    3. Automotive 3
    4. Computers 0
    5. High Voltage 0
    6. Light/Laser 0
    7. Microcontrollers 9
    8. Power Supply 24
    9. Remote Control 4
    10. Robotic 2
    11. Test Equipment 6
    12. Timers 1
    13. Other 22
  2. Electronic Theory 2
    1. Laws 0
    2. Guides 0
    3. Other 2
  3. Software & Downloads 0
    1. Hello World! Examples 0
  4. Code Repository 0

Top resources

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Resource icon B
120v 4-LED Night Light 2011-11-13
This circuit uses can be used as a night light. It uses a 120v Mains to power the circuit. Works li
1.00 star(s) 1 ratings
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Resource icon gramo
PS/2 (AT) Keyboard Module (Swordfish) 2010-10-03
[IMG]http://static.electro-tech-online.com/imgcache/10346-ps2_keyboard.jpg[/IMG] I recently wrote
0.00 star(s) 0 ratings
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Resource icon R
Serial LCD for low pin-count microcontrollers 2010-09-28
Low pin-count microcontrollers like PIC12F series don't have enough I/O ports to directly drive a s
0.00 star(s) 0 ratings
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Resource icon R
Interface a character LCD display to PIC microcontroller 2012-08-01
[B]Introduction[/B] An HD44780 Character LCD display device is designed for interfacing with embed
4.00 star(s) 1 ratings
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Resource icon k7elp60
Competition (#3) Entry: Solar Powered Night LED’s 2010-08-07
This project uses a lead-acid battery to power some strings of LED’s at night for illumination of
3.00 star(s) 1 ratings
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Resource icon Boncuk
Competition (#3) Entry: Canaria Furioso (Canary Simulator) 2010-08-05
The circuit has been designed to simulate a canary “Harzer Roller”. It consists of six timer IC
5.00 star(s) 1 ratings
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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
0.00 star(s) 0 ratings
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Resource icon bananasiong
ADC Using 555 Timer - Delta Modulator 2012-08-29
With the availability of the powerful micro controller in the modern era, people tend to forget the
5.00 star(s) 1 ratings
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Resource icon B
DVR IR Motion Trigger 2012-08-29
A client needed a timer to keep his DVR enabled and recording when the IR motion detector output a
5.00 star(s) 1 ratings
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Resource icon ElectroMaster
Electronic Combination Lock 2011-03-10
This circuit is very basic to build. To open a the lock which is connected to the K1 Load you must
4.00 star(s) 1 ratings
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Resource icon ElectroMaster
Voice Scrambler 2011-01-13
With this circuit you can modify how your voice sounds by changing the pitch of your voice. This ci
4.00 star(s) 2 ratings
Updated
Resource icon QuietMan
555 Bistable Multivibrator 2012-08-29
The most common 555 configurations are that of a Astable and Monostable Multivibrator. This shows h
0.00 star(s) 0 ratings
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Resource icon R
A Variable DC Power Supply for Electronics Hobbyists 2010-07-13
A variable DC power supply is one of the most important tools for an electronics hobbyist. Most of
0.00 star(s) 0 ratings
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Resource icon ElectroMaster
TV Remove Blocker 2011-12-18
Just point this small device at the TV and the remote gets jammed.
4.00 star(s) 1 ratings
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Resource icon Iceman_Chris
FM Transmitters 2010-10-29
I have quite a few so I decided to post many FM transmitter schematics.
4.00 star(s) 1 ratings
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Resource icon D
Simple, inexpensive vehicle immobilizer 2011-08-26
This vehicle immobilizer circuit is quite possibly the smallest, simplest, cheapest and easiest to
0.00 star(s) 0 ratings
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Resource icon jakeselectronics
Binary to 7 Segment Decoder 2013-04-26
This circuit displays the Hexadecimal equivalent of a 4 bit Binary Number. The number is displayed
4.50 star(s) 2 ratings
Updated
Resource icon ElectroMaster
Jeopardy Quiz Game 2011-06-22
This electronic "Jeopardy" game circuit consists of four push-button switches. When one is pressed,
0.00 star(s) 0 ratings
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Resource icon S
Utility Trailer Taillight Interface 2011-12-19
This simple circuit was built 21 years ago, still works today. The PCB is designed around the se
0.00 star(s) 0 ratings
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Resource icon ParkingLotLust
Arduino Displaying Temperature via 74HC595's to 7-Seg's 2010-07-05
My original project is [URL="http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1247631566/all"]here[/
0.00 star(s) 0 ratings
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