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Electronic Circuits

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

Top Articles

  1. Refrigerator Timer magvitron
    A timer for turning ON/OFF the refridgerator at peak load hours (6pm to 10 pm) using 8051
  2. I'm sick of counter requests.. So here's a few Ian Rogers
    counter
  3. LM317 Adjustable 20V, 1.5A Supply with Simple SMPS Tracking Preregulator crutschow
    LM317 supply with switching tracking prereg for good efficiency and minimal heat sink requirements.
  4. Power Analysers: True RMS Readings Barry Atkins
    What is true RMS or why does that matter?
  5. Alcohol detector and engine cut off. magvitron
    in order to start the car you have to blow to the sensor having a flowsensor (can be madeform a hea
  6. "The Scavenger" A Joule Thief inspired Boost regulator. ()blivion
    Presented here is a significant step forward in simple, cheep, and efficient boost converter design
  7. Monitor I2C Communications through RS232 languer
    In the past when requiring to monitor I2C communications between two devices I
  1. Articles are being shown from all child categories.
  2. spec

    Main-Slave Controller

    Circuit to turn a secondary device on automatically when the main device operates.
    0/5, 0 votes
    Updated:
    Dec 9, 2015
  3. crutschow

    Motorcycle Regulator-Rectifier With Low Power Dissipation

    Low power regulator design for permanent magnet alternators improves reliability
    0/5, 0 votes
    Updated:
    Oct 31, 2015
  4. crutschow

    Push Button On/Off, Low Quiescent Power, High-Side MOSFET Power Switch

    Simple high-side switch requires only two active devices and a few passive parts
    0/5, 0 votes
    Updated:
    Oct 18, 2015
  5. Willen

    The simplest constant current limiter with 'load indication'

    A very simple constant current limiter circuit with a tricky load indicator
    0/5, 0 votes
    Updated:
    Sep 2, 2015
  6. Val Gretchev

    Vacuum Tube Power Supply

    A stand-alone power supply for use with vacuum tube amplifiers, radios, and test equipment.
    0/5, 0 votes
    Updated:
    Aug 26, 2015
  7. crutschow

    Radio Push Button Micropower Circuit Using Two Common ICs

    Two common ICs generate the Radio PB Function for up to 8 PBs, (16 PBs with 2 additional chips).
    0/5, 0 votes
    Updated:
    Aug 25, 2015
  8. Val Gretchev

    8-Digit Numeric LED Display

    A display driver module for 8 digits with only 9 lines.
    0/5, 0 votes
    Updated:
    Jul 9, 2015
  9. crutschow

    Dual Regulated Supply from Single Voltage

    Dual +/- Regulated Supply from Single Floating Voltage source Using Two Identical Regulators
    0/5, 0 votes
    Updated:
    Jun 23, 2015
  10. crutschow

    Audio Isolation With Standard Optical Isolator

    Current Drive Improves Standard Optical Isolator Linarity For AC Audio Frequency Applications
    0/5, 0 votes
    Updated:
    Jun 10, 2015
  11. crutschow

    Audio-Taper Response From Modified Linear Potentiometer

    Simple Modification Allows Linear Potentiometer to Generate A Quasi Audio-Taper Logarithmic Response
    0/5, 0 votes
    Updated:
    Jun 9, 2015
  12. granddad

    IR remote as mcu input

    Interfacing a remote control to a PIC mcu
    0/5, 0 votes
    Updated:
    May 16, 2015
  13. bill nahd

    Distance trigger

    Distance measurement without a microcontroller (BEAM).
    0/5, 0 votes
    Updated:
    May 13, 2015
  14. Ian Rogers
    0/5, 0 votes
    Updated:
    May 7, 2015
  15. MCU88

    Keypad-Based Vehicle Engine Immobilizer

    DIY Car Project Keypad Engine Immobilizer
    0/5, 0 votes
    Updated:
    Apr 19, 2015
  16. MCU88

    Programmable Continuity Tester to Build

    Easy DIY Continuity Tester With PCB & Schematic.
    0/5, 0 votes
    Updated:
    Apr 12, 2015
  17. Ian Rogers
    0/5, 0 votes
    Updated:
    Mar 27, 2015
  18. crutschow

    High-Side Current Source with Differential Inputs

    Generates constant current to a grounded load as determined by the differential input voltage
    0/5, 0 votes
    Updated:
    Sep 23, 2014
  19. oliverb

    Arduino DCF77 Master Clock with pulse outputs for driving electromechanical slave clocks

    A Master Clock synchronised to the DCF77 radio clock that provides pulses for slave clocks
    0/5, 0 votes
    Updated:
    Sep 17, 2014
  20. amol.gulhane07

    Sensors Demysitified

    SENSORS: Concept of sensors,Types,Characteristics,Specifications,Selection — A Methodical Approach,
    0/5, 0 votes
    Updated:
    Aug 9, 2014
  21. djsfantasi
    0/5, 0 votes
    Updated:
    Jun 28, 2014