Electronics and Electrical Engineering Design Projects

Featured electronics and electrical engineering design projects.

  • Figure:1 Circuit Diagram of Digital Voltmeter using ICL7107

    How to Build Digital Voltmeter Circuit using ICL7107

    Posted Apr 08, 2014 By Sudheer Gupta
    Here we design a analog to digital converter working as a digital voltmeter using a low power three and half digit A/D converter ICL7107 having internal 7 segment decoders, display drivers, a reference and a clock.
  • Figure:2 AutoCAD Layout

    Make LED Screen With Addressable Led Strips By SD Card Controller

    Posted Apr 02, 2014 By Mal Donald
    Make Led Screen with 32Pixels/m LPD8806 Addressable Led Strips(GE32RGB8806C), 8192Pixels SD Card Led Controller(GECOSD8P-8192), TTL/SPI Signal Receiver, 5V,60A Led Power Supplier, Auto-CAD and Lededit2012 or Lededit2013 Software
  • Figure:3 3-D graph showing the various carriers in a OFDM signal

    Analog Solutions for the PAPR Problem in OFDM

    Posted Mar 26, 2014 By Kalpana Manickavasagam
    OFDM is the emerging technology for high data rates in various standards. In this project, a novel architecture has been proposed both in the transmitter and the receiver end, in order to provide a solution for the PAPR problem in the analog domain. 90 nm technology, with a Vdd of 1 V has been used. The circuit level simulations were done using cadence and the top level simulation was done in…
  • Figure:4 Circuit Diagram of 100 W MOSFET Power Amplifier

    MOSFET Power Amplifier Circuit Principle

    Posted Mar 20, 2014 By Sudheer Gupta
    Here, a power amplifier circuit has been designed using MOSFET to produce 100 W output to drive a load of about 8 Ω. The power amplifier circuit designed here has the advantage of being more efficient with less cross over distortion and total harmonic distortion.
  • Figure:5 RF Controlled Robotic Vehicle With Laser Beam Arrangement

    RF Controlled Robotic Vehicle With Laser Beam Arrangement

    Posted Mar 19, 2014 By Ravi Kumar
    The project is designed to control a robotic vehicle by using a RF technology for remote operation. A low power laser light is interfaced for demonstrating the possibilities of destroying a distant object by its beam. An 8051 series of microcontroller is used for the desired operation. At the transmitting end using push buttons, commands are sent to the receiver to control the movement of the…
  • Figure:6 Police Siren Circuit Using 555 Timer

    Police Siren Circuit Using 555 Timer

    Posted Mar 12, 2014 By Sudheer Gupta
    This is a simple circuit which produces a sound similar to the police siren and is built using NE555 Timer. Two 555 timers act as an astable multivibrator.
  • Figure:7 Circuit Diagram of Cell Phone Detector

    Mobile Phone Detector Circuit

    Posted Mar 05, 2014 By Sudheer Gupta
    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.
  • Figure:8 Mosquito Repellent Circuit Diagram

    Electronic Mosquito Repellent Circuit

    Posted Feb 26, 2014 By Sudheer Gupta
    This is a simple electronic mosquito repellent circuit which produces ultrasound of frequency 20-38 kHz and scare away mosquitoes from home.

New Projects by EEWeb Members

  • Figure:1 5 Channel IR Remote Control System - Transmitter Circuit

    5 Channel IR Remote Control System

    Posted Apr 14, 2014 By Sudheer Gupta
    This article is aimed to design and demonstrate a simple 5 channel remote control system to drive five loads. The circuit works on the principle of…
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  • Figure:2 8 Player Quiz Buzzer Circuit Diagram

    8 Candidate Quiz Buzzer using AT89C51 Microcontroller

    Posted Apr 14, 2014 By Sudheer Gupta
    This is an automatic quiz buzzer system in which if more than one team presses the buzzer, the accurate delay time is taken into account and the…
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  • Figure:3 Circuit Diagram of Digital Voltmeter using ICL7107

    How to Build Digital Voltmeter Circuit using ICL7107

    Posted Apr 08, 2014 By Sudheer Gupta
    Here we design a analog to digital converter working as a digital voltmeter using a low power three and half digit A/D converter ICL7107 having…
    Comments(0)
  • Figure:4 digital tachometer circuit diagram

    Non Contact Tachometer Circuit using 8051 Microcontroller

    Posted Apr 07, 2014 By Sudheer Gupta
    Here we designed a simple non contact tachometer using microcontroller which can measure speed with an accuracy of 1 rev/sec.
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  • Figure:5 Password based Door Lock System Circuit Diagram

    Password based Door Locking System using 8051

    Posted Apr 07, 2014 By Sudheer Gupta
    Here is the circuit diagram of Electronic code lock system using 8051 microcontroller. It is very useful at residential places to ensure better…
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  • Figure:6 Subwoofer Amplifier Circuit Diagram

    How 100W Subwoofer Amplifier Circuit Works?

    Posted Apr 04, 2014 By Sudheer Gupta
    Here we designed a subwoofer amplifier producing audio signals at low frequencies from 20 Hz to 200Hz and with an output power of 100W, used to drive…
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  • Figure:7 BCD to 7 Segment LED Display Circuit Diagram

    BCD to Seven Segment Display Decoder Circuit

    Posted Apr 04, 2014 By Sudheer Gupta
    A display decoder is used to convert a BCD or a binary code into a 7 segment code used to operate a 7 segment LED display. Here we design a simple…
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  • Figure:8 AutoCAD Layout

    Make LED Screen With Addressable Led Strips By SD Card Controller

    Posted Apr 02, 2014 By Mal Donald
    Make Led Screen with 32Pixels/m LPD8806 Addressable Led Strips(GE32RGB8806C), 8192Pixels SD Card Led Controller(GECOSD8P-8192), TTL/SPI Signal…
    Comments(0)
  • Figure:9

    70MHZOSC

    Posted Mar 31, 2014 By Liu James
    USE XNOR GATE and tpd labs the 70MHZ double frequency.
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  • Figure:10 3-D graph showing the various carriers in a OFDM signal

    Analog Solutions for the PAPR Problem in OFDM

    Posted Mar 26, 2014 By Kalpana Manickavasagam
    OFDM is the emerging technology for high data rates in various standards. In this project, a novel architecture has been proposed both in the…
    Comments(0)
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