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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

Categories

  1. Electronic Projects 87
    1. Alarms 1
    2. Audio 1
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    5. High Voltage 0
    6. Light/Laser 1
    7. Microcontrollers 10
    8. Power Supply 28
    9. Remote Control 4
    10. Robotic 3
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    13. Other 26
  2. Electronic Theory 2
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  4. Code Repository 0

Top resources

Most resources

  1. hesam_m
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    crutschow

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Resource icon alec_t
Auto Switch-Off Torch 2011-12-17
An elderly acquaintance who couldn't cope with battery recharging was getting through dry cells rap
0.00 star(s) 0 ratings
Updated
Resource icon Jon Wilder
Interfacing a Toshiba T6963C Equipped GLCD with a PIC Microcontroller 2011-12-13
So you happen to have a GLCD with the Toshiba T6963C display controller and you want to interface i
0.00 star(s) 0 ratings
Updated
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
Updated
Resource icon V
Capacitor ESR Tester 2011-09-13
This project was conceived as a way to enhance the collection of test equipment on my test bench. I
0.00 star(s) 0 ratings
Updated
Resource icon ElectroMaster
Simple Lie Detector 2011-09-10
Here's a simple lie detector that can be built in a few minutes, it is mean for fun and is obviousl
0.00 star(s) 0 ratings
Updated
Resource icon sheldonstv
Simple gated oscillator 2011-09-10
Here is a simple gated oscillator for you to play with. It's nothing complicated build wise but
0.00 star(s) 0 ratings
Updated
Resource icon 3lectrix
Infrared Proximity Detector 2011-09-10
This proximity detector using an infrared detector (Fig. 1) can be used in various equipment like a
0.00 star(s) 0 ratings
Updated
Resource icon 3lectrix
Light Activated Switch 2011-09-04
The circuit is based on National Semiconductors comparator LM311 (IC1) and an LDR. The non invertin
3.00 star(s) 3 ratings
Updated
Resource icon Boncuk
LM555 for Air Cannon 2011-08-27
The idea is to have two monostables timers (LM555) for triggering the air cannon. Timer1 (IC1) i
5.00 star(s) 1 ratings
Updated
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
Updated
Resource icon ElectroMaster
The 4017 Decade Counter 2011-08-01
[ATTACH=RIGHT]54828[/ATTACH]This handy Decade Counter (or sometimes called a Johnson Counter) can b
5.00 star(s) 2 ratings
Updated
Resource icon C
Simple Audio Signal Injector 2011-07-05
Here's a signal injector for those of us like me who don't have a bench full of nice test equipment
4.00 star(s) 1 ratings
Updated
Resource icon 3lectrix
How To: Test A Uni Junction Transistor 2011-07-03
You can easily test the health of a UJT (Uni junction transistor) by using a digital multimeter. Do
0.00 star(s) 0 ratings
Updated
Resource icon S
Emergency Double Strobe Flip/Flop 2011-07-01
Double flash flip/flop with a PIC12
0.00 star(s) 0 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
Updated
Resource icon 3lectrix
Digital Stop Watch 2011-06-18
A digital stop watch built around timer IC LM555 and 4-digit counter IC MM74C926 with multiplexed 7
0.00 star(s) 0 ratings
Updated
Resource icon cyb0rg777
Alarm - With Infrared Remote 2011-06-17
I built this circuit recently and decided to do a rough schematic and post it here.It is a car alar
0.00 star(s) 0 ratings
Updated
Resource icon 3lectrix
Digital Code Lock 2011-06-16
This is a simple but effective code lock circuit that has an automatic reset facility. The circuit
0.00 star(s) 0 ratings
Updated
Resource icon ElectroMaster
Computer Voltage Monitor 2011-06-16
This is an illustrated tutorial on building a voltage monitor for fan control circuits - rheostats,
0.00 star(s) 0 ratings
Updated
Resource icon 3lectrix
Police Siren (NE555) 2011-06-16
Here is the circuit diagram of a police siren based on NE55 timer IC. The circuit uses two NE555 ti
0.00 star(s) 0 ratings
Updated

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