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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. Boncuk

    Phase controlled circuit

    Hi, I intend to air condition my entire house which involves a lot of room fans for equal air di
    0/5, 0 votes
    Updated:
    Jan 4, 2010
  3. richard.c

    PH Amplifier for Micro

    Hi, There are many micro circuits for aquarium temperature controllers - one of the more desira
    0/5, 0 votes
    Updated:
    Jan 4, 2010
  4. HS3

    Frequency Counter

    I built this frequency counter many years ago, maybe about 1976. I designed the entire thing myself
    0/5, 0 votes
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    Jan 4, 2010
  5. Mike_2545

    Dancing fountain

    I have completed a fun project that shoots "pulses" of water around a pond inside a greenhouse. The
    0/5, 0 votes
    Updated:
    Jan 4, 2010
  6. Hero999

    Cheap and cheerful DC motor soft start

    I'm planning to make an electronic solder sucker from an old portable vacuum cleaner motor and a 5V
    0/5, 0 votes
    Updated:
    Jan 4, 2010
  7. ardnat
    0/5, 0 votes
    Updated:
    Jan 4, 2010
  8. faizanbrohi

    Wireless Audio/Video Transmitter

    Hello Everyone . Well After Building a Audio Transmitter Now i want to transmit Video Signals as we
    0/5, 0 votes
    Updated:
    Jan 4, 2010
  9. Dr.EM

    PWM controller

    This is a PWM controller design that I have built and which works. As shown, it should function tha
    0/5, 0 votes
    Updated:
    Jan 4, 2010
  10. ElectroMaster

    DC Motor Control Circuit

    Here, S1 and S2 are normally open , push to close, press button switches. The diodes can be red or
    0/5, 0 votes
    Updated:
    Jan 4, 2010
  11. mechie

    Simple Parlour Game

    I remember building something like this years ago and spending hours figuring out how it worked!
    0/5, 0 votes
    Updated:
    Jan 3, 2010