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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 75
    1. Alarms 1
    2. Audio 0
    3. Automotive 3
    4. Computers 0
    5. High Voltage 0
    6. Light/Laser 1
    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

View all featured resources
Resource icon crutschow
Reverse Protection of Input Power with Low Voltage Drop 2014-04-03
Prevent damage from accidental application of reverse voltage with minimal normal voltage drop.
0.00 star(s) 0 ratings
Updated
Resource icon Val Gretchev
Constant Current Diode 2014-04-03
A component that is often overlooked.
0.00 star(s) 0 ratings
Updated
Resource icon Val Gretchev
Obscure but Interesting Circuits 2014-04-01
Having fun with logic gate circuits that may be useful.
0.00 star(s) 0 ratings
Updated
Resource icon H
program of a barometer 2014-03-29
pressure
0.00 star(s) 0 ratings
Updated
Resource icon crutschow
Adjustable Low Drop Current Limiter 2014-03-28
Current limiter with max voltage drop of ~1V during normal operation, minimizing dropout voltage.
0.00 star(s) 0 ratings
Updated
Resource icon tomizett
Adjustable current load 2014-03-16
A waste of electricity
0.00 star(s) 0 ratings
Updated
Resource icon ronv
Swinear Power Supply 2014-01-16
Higher power linear regulator
4.00 star(s) 1 ratings
Updated
Resource icon Val Gretchev
Another Vehicle Loop Detector Circuit 2014-01-12
Detection of large metal objects (cars) by inductive loop sensors.
0.00 star(s) 0 ratings
Updated
Resource icon Val Gretchev
Constant Current Supply for High Power LEDs 2014-01-11
A high efficiency constant current supply based on a switching regulator.
0.00 star(s) 0 ratings
Updated
Resource icon kinarfi
Power Supply + & - 20v 15+ amps 2014-01-10
Power supply using LM2576 & LT1270A
0.00 star(s) 0 ratings
Updated
Resource icon kinarfi
FORWARD & REVERSE, VARIABLE SPEED MOTOR CONTROLLER 2014-01-10
FORWARD & REVERSE, VARIABLE SPEED MOTOR CONTROLLER WITH POTENTIOMETER
0.00 star(s) 0 ratings
Updated
Resource icon Barry Atkins
Power Analysers: True RMS Readings 2013-11-08
What is true RMS or why does that matter?
5.00 star(s) 1 ratings
Updated
Resource icon magvitron
Forward / Reverse motor controller using 8051 2013-09-29
Used in an automatic car jack using an IR remote control, (the fwd and bwd turn will lift/lower )
0.00 star(s) 0 ratings
Updated
Resource icon magvitron
Refrigerator Timer 2013-09-29
A timer for turning ON/OFF the refridgerator at peak load hours (6pm to 10 pm) using 8051
4.50 star(s) 2 ratings
Updated
Resource icon ElectroMaster
Toy Organ 2012-09-17
This circuit produces a tone according to the button being pressed.
0.00 star(s) 0 ratings
Updated
Resource icon alec_t
PWM pulse generator 2013-09-03
This is the base design (not a full working drawing with pin-numbering etc) for a simple PWM pulse
0.00 star(s) 0 ratings
Updated
Resource icon magvitron
Alcohol detector and engine cut off. 2013-06-29
in order to start the car you have to blow to the sensor having a flowsensor (can be madeform a hea
5.00 star(s) 1 ratings
Updated
Resource icon ()blivion
"The Scavenger" A Joule Thief inspired Boost regulator. 2013-06-19
Presented here is a significant step forward in simple, cheep, and efficient boost converter design
5.00 star(s) 1 ratings
Updated
Resource icon ElectroMaster
Fan Control Circuit (LM317) 2013-05-19
This is an illustrated tutorial on building a variable voltage control for fans and other units, ba
5.00 star(s) 1 ratings
Updated
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

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