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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 76
    1. Alarms 1
    2. Audio 0
    3. Automotive 3
    4. Computers 0
    5. High Voltage 0
    6. Light/Laser 1
    7. Microcontrollers 10
    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
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    3. Other 2
  3. Software & Downloads 0
    1. Hello World! Examples 0
  4. Code Repository 0

Top resources

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Resource icon crutschow
Triple Output Tracking Power Supply Uses Standard 3-Terminal Regulators, Adjusts to Zero Out 2017-03-09
Single +output plus dual +/- tracking output supply using common 3-terminal regulators goes to 0V.
0.00 star(s) 0 ratings
Updated
Resource icon crutschow
Efficient MOSFET Bridge Rectifier for Resistive Loads, Or Input Power Auto Polarity Gating 2017-03-07
MOSFET bridge for efficient resistive load rectification, or indifference to input power polarity.
0.00 star(s) 0 ratings
Updated
Resource icon crutschow
PWM Voltage Control Of Standard Linear IC Regulators 2017-02-13
PWM allows easy control of linear regulator output voltage for μP based power supplies
0.00 star(s) 0 ratings
Updated
Resource icon crutschow
Low Power CMOS PWM Circuit With Buffer Output Requires Only 5 Components 2017-02-09
CD4106 PWM circuit uses only 2 diodes, 1 capacitor, and 1 potentiometer
0.00 star(s) 0 ratings
Updated
Resource icon crutschow
Single Supply Non-Inverting Av=1 Op Amp Circuit With Simple Offset Voltage Calculation 2017-02-08
Circuit generates Av=+1 with simple offset calculation using std. resistor values
0.00 star(s) 0 ratings
Updated
Resource icon crutschow
Simple PWM Circuit For Lamp Dimming, etc., Improves On 555 PWM Circuits 2017-01-29
PWM circuit has voltage control of 0% to 100% duty-cycle
0.00 star(s) 0 ratings
Updated
Resource icon crutschow
Simple, Efficient, Inexpensive, High-Power LED Constant-Current Switching Supply 2017-01-25
Constant-current hysteretic buck regulator supply for high power LEDs, efficiency of 90%
0.00 star(s) 0 ratings
Updated
Resource icon crutschow
MOSFET Bridge Rectifier With Low Forward Drop, Works With Capacitive Output 2017-01-16
MOSFET Bridge Rectifier gives high efficiency for low voltage, high current AC-DC supplies
0.00 star(s) 0 ratings
Updated
Resource icon S
LINEAR POWER SUPPLIES: THEORY & CIRCUITS 2017-01-10
Linear power supply core theory plus circuits that can be adapted to suit your application
0.00 star(s) 0 ratings
Updated
Resource icon crutschow
Isolated Input, MOSFET AC/DC Solid State Relay (SSR) 2017-01-03
Solid-state discrete AC/DC relay uses MOSFETs for low on-voltage with opto-isolated control input
0.00 star(s) 0 ratings
Updated
Resource icon Mikebits
Component Salvaging Using Rework Stations 2016-12-31
Rework Station, Component Salvage
0.00 star(s) 0 ratings
Updated
Resource icon Ian Rogers
I'm sick of counter requests.. So here's a few 2016-12-01
counter
5.00 star(s) 1 ratings
Updated
Resource icon S
Core Equipment 2016-11-26
What equipment do you need to get started in electronics
0.00 star(s) 0 ratings
Updated
Resource icon S
Precision Micropower Battery Cut-off Circuit 2016-11-23
Simple micropowr circuit to protect batteries from under voltage
0.00 star(s) 0 ratings
Updated
Resource icon S
Standard Three Terminal Regulator Adjusts Down to Zero Volts 2016-11-20
A simple circuit to get down to zero volts with a standard three terminal regulator
0.00 star(s) 0 ratings
Updated
Resource icon crutschow
Bipolar AC/DC MOSFET Low-Side Switch 2016-11-07
AC/DC Low-Side AC Switch With Low ON Resistance Uses Two N-MOSFETs and One PNP Transistor
0.00 star(s) 0 ratings
Updated
Resource icon S
Core Components 2016-11-01
Which components do you need to get started in electronics?
0.00 star(s) 0 ratings
Updated
Resource icon crutschow
Two Different Full-wave Rectified Voltages From Center-tapped Transformer and Bridge Rectifier 2016-08-01
Two voltages, one twice the other, require only a center-tapped transformer and bridge rectifier
0.00 star(s) 0 ratings
Updated
Resource icon S
Restore Your Valuable Documents- or Make Your Own Book 2016-05-13
Document repair and book binding arn't that difficult
0.00 star(s) 0 ratings
Updated
Resource icon Ian Rogers
Ye Ol Spectrum Part Two.. 2016-05-11
Spectrum nostalgia
0.00 star(s) 0 ratings
Updated

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