Electronics and Electrical Engineering Projects

Featured electronics and electrical engineering design projects.

Category: Analog Design

  • CPU Design and Layout using only Freeware

    Posted Tuesday, October 31, 2017
    Tools: Electric VLSI and Silvaco's Greenpak.(No P&R whatsoever) *insert sad face here*Updates:→Finished layout of arithmetic unit.In Progress:→Shift register and Boolean Logic units.More
  • POE-Powered LED Lighting

    Posted Saturday, December 26, 2015
    This reference circuit powers an LED light bulb using power-over-ethernet (PoE) and control through a Bluetooth® module. The bulb can be wirelessly turned on/off and dimmed with 9 levels of... More
  • 20 W Power Factor Corrected, Non-Isolated, TRIAC Dimmable LED Driver

    Posted Saturday, December 05, 2015
    This document describes a non-isolated, high power factor (PF), TRIAC dimmable LED driver designed to drive a nominal LED string voltage of 96V at 210 mA from a high line... More
  • Photosynq - a fluorometer and spectroscopic tool for plant measurements

    Posted Friday, October 16, 2015
    This is a updated design for a device to measure various plant health parameters. All open source. We are looking for suggestions for improvements before we start production. More
  • Demystifying Analog & Mixed-Signal ASICs

    Posted Thursday, April 23, 2015
    The application will always determine the appropriate combinations of technologies that are best suited for the ASIC design. As our dependence on cognitive prosthesis devices (smart phones, Wii controllers, tablet... More
  • LaserOscope

    Posted Saturday, March 21, 2015
    Build a laser oscilloscope using Lego, littleBits, Erector set, and the Kano Computer. More
  • Creative Dancing Lights

    Posted Monday, January 26, 2015
    Dancing Lights is a simple yet amusing project that entertains the user because of its attractive sequence of lightings. This can be constructed with few components such as NE555 timer,74HC4017BQ... More
  • Emergency Lights using Cool White LEDs

    Posted Monday, November 24, 2014
    This automatic emergency light circuit is designed using white LEDs. It can be used as an emergency lamp in homes and also in security systems. More
  • Electronic Code Lock using Single Transistor

    Posted Monday, November 17, 2014
    The main principle of this circuit is that the door lock opens only when the buttons in series are pressed at a time. We can use it to lock the... More
  • Audio Amplifier Circuit using 555 Timer

    Posted Saturday, September 27, 2014
    Here this circuit is based on the principle of audio amplification using operational amplifier and pulse width modulation using 555 Timer. More
  • 24 channel sequencer

    Posted Saturday, August 23, 2014
  • 24 channel sequencer

    Posted Saturday, August 23, 2014
  • 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
  • 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