Electronics and Electrical Engineering Projects

Featured electronics and electrical engineering design projects.

TAGS: Free Circuit

  • Reverse Car Parking Sensor Security System

    Posted Monday, January 12, 2015
    Here is another important real life beneficial project named "reverse car parking sensor security system" which helps to park the vehicles safely without any damage.More
  • 12V DC to 24V DC Converter Circuit

    Posted Thursday, August 07, 2014
    This is a simple and very useful circuit in our real life which generates the output voltage of 24 V DC while supplying the input voltage of 12 V DC. More
  • 9 Way Clap Switch Circuit

    Posted Wednesday, July 30, 2014
    This is a simple circuit which helps you to ON/OFF a switch without moving from your place.More
  • Luggage Security Alarm Circuit

    Posted Tuesday, July 01, 2014
    This circuit generates a warning alarm when someone tries to lift your luggage while you are traveling in bus or train so that we may get alerted. More
  • Mobile Phone Detector Circuit

    Posted Wednesday, March 05, 2014
    This article provides a simple circuit to detect the presence of an activated mobile by detecting the signals in the frequency range of 0.9 to 3 GHz. More
  • Electronic Mosquito Repellent Circuit

    Posted Wednesday, February 26, 2014
    This is a simple electronic mosquito repellent circuit which produces ultrasound of frequency 20-38 kHz and scare away mosquitoes from home. More
  • Clap Switch Circuits for Devices

    Posted Saturday, January 18, 2014
    Here are the 2 simple circuits named clap switch circuits which are based on clapping. These circuits are useful in switch ON/OFF any devices by just clapping without any movement... More
  • How to Design Electronic Letter Box Circuit?

    Posted Thursday, January 16, 2014
    This helps in identifying any letter come to our address. If a letter is dropped by someone into the letter box, the LED attached at the output stops blinking which... More
  • Audio Equalizer Circuit Diagram

    Posted Saturday, January 11, 2014
    This is a simple circuit which helps to change the tune/melody into a different pitch level by devoid of loss in the tune. More
  • Security Alarm Circuit

    Posted Wednesday, January 08, 2014
    This is another simple circuit which helps you to guard your precious documents as well as jewellery from intruders or theft.More
  • LED Based Project Circuits

    Posted Saturday, January 04, 2014
    Here is the list of best LED based projects along with the circuit diagram, working and applications.More
  • Variable Voltage Power Supply

    Posted Thursday, January 02, 2014
    The circuit diagram and working of Variable Voltage Power Supply from Fixed Voltage Regulator is explained in detailed manner.More
  • Mains Operated LED Lights Circuit

    Posted Wednesday, January 01, 2014
    Here, we have described a simple circuit named "Mains operated LED Lights" which you can easily made and install in your homes. More
  • Christmas Lights using LEDs Project Circuit

    Posted Wednesday, December 25, 2013
    Here is the simple circuit diagram of Christmas Lights using LEDs which is very useful in decorating your home at the time of Christmas festival season. More