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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
  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. crutschow

    Latching ON/OFF Circuit with Single-Wire Remote Control & Indication from Multiple Push-Buttons

    Momentary PB controls remote bistable circuit with PB LED status using a single wire.
    0/5, 0 votes
    Dec 25, 2015
  3. spec

    Main-Slave Controller

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

    Motorcycle Regulator-Rectifier With Low Power Dissipation

    Low power regulator design for permanent magnet alternators improves reliability
    0/5, 0 votes
    Oct 31, 2015
  5. 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
    Oct 18, 2015
  6. 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
    Sep 2, 2015
  7. 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
    Aug 26, 2015
  8. 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
    Aug 25, 2015
  9. Val Gretchev

    8-Digit Numeric LED Display

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

    Dual Regulated Supply from Single Voltage

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

    Audio Isolation With Standard Optical Isolator

    Current Drive Improves Standard Optical Isolator Linarity For AC Audio Frequency Applications
    0/5, 0 votes
    Jun 10, 2015
  12. 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
    Jun 9, 2015
  13. granddad

    IR remote as mcu input

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

    Distance trigger

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

    Keypad-Based Vehicle Engine Immobilizer

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

    Programmable Continuity Tester to Build

    Easy DIY Continuity Tester With PCB & Schematic.
    0/5, 0 votes
    Apr 12, 2015
  18. Ian Rogers
    0/5, 0 votes
    Mar 27, 2015
  19. 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
    Sep 23, 2014
  20. 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
    Sep 17, 2014
  21. amol.gulhane07

    Sensors Demysitified

    SENSORS: Concept of sensors,Types,Characteristics,Specifications,Selection — A Methodical Approach,
    0/5, 0 votes
    Aug 9, 2014