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Engineering Projects For You
Free electronics projects, circuit diagrams and software codes available for students and hobbyists. Complete instructions on DIY electronic devices also available. These projects have been tested by EFY and are available with source codes. These are helpful with understanding concepts of electronics including basic components. The projects are designed to be helpful for engineering students and professionals building their own designs and circuits. The projects are also compiled from time to time to provide a single destination for project junkies. Let us know how you feel about the content and any thing you would like us to cover in the future. We hope you enjoy the content on this page!
Digital Satellite Finder
This article describes a satellite finder that we can build ourselves to assist with aligning the satellite TV dish without having to take our...
Wristband Based GPS Navigation System
GPS and sensor technologies have been evolved over the past decade in the global market of transport and navigation. These technologies lead the world...
USB LED Night Light
A typical USB LED bulb shown in Fig. 1 is a 5V, 5W USB-powered solid-state lamp. At the heart of this light bulb is...
Remote Control for Home Appliances
The influx of the Internet of things (IoT) devices has created a huge demand for connecting everything to everything. In the same race, this...
Micro-Solder Pot
To make a great solder joint, component preparation is a must. This sounds unimportant, but it is very important to clean the component leads,...
Electronic Eye Security System
The electronic eye security systems available in the market are expensive, and programming is very difficult for a microcontroller based system. Here is a...
Some Techniques For Lowering Power Consumption
While very-large-scale integration (VLSI) and complementary metal oxide semiconductor (CMOS) technologies have had an exponential growth, energy-storage technologies have grown slowly, requiring improvement in...
Extracting Centre Of Mass In A Binary Pattern using MATLAB
Extraction of centre of mass of a binary pattern is an important task in pattern recognition area in digital image processing domain. The pattern’s...
Satellites Deciphered
We are nothing but a speck on the canvas of the universe; but this has not set a limit to our ambitions of exploring...
Simple Prototyping Platform
THE HARDWARE
SIMPP or Simple Prototyping Platform is an open source electronic prototyping platform used for building electronic circuits or projects that mainly use microcontroller....
Optical Smoke Alarm
An optical smoke alarm (also called photo-electric smoke alarm) works using the light scatter principle. The alarm contains a pulsed Infra red LED which...
Low-Cost Universal Dual Channel Audio Checking And Troubleshooting Tool
Frequently, we are in need to do audio troubleshooting of electrical and electronic components, installations and equipment. E.g. we may need to check, test and evaluate:
...
Measuring The Charging And The Discharging Current Of The Battery
When we work with rechargeable battery it is useful to have the following functions:
measuring the charging current,
measuring the discharging current,
measuring voltage...
Multi Channel Hardware Driver for Embedded Systems
The real world embedded systems are controlling DC motors, stepper motors, electromagnetic relays, incandescent lamps, powerful LEDs, displays, inductors, transformers, long cables, etc.
On the...
Simple Universal AC Or DC Amplifier with OPA452/OPA453 And Transistors
Introduction
During the experiments with loudspeakers, systems with loudspeakers, transformers, public announcement systems, audio distribution lines and amplifies, etc, we are in need of audio...
Solar Powered Home Lighting System
This project suggests a solar powered home lighting system that uses solar power and LED lighting technology in a more efficient way. Solar power...
Battery Low Indicator
Rechargeable batteries should not be discharged below a certain voltage level. This lower voltage limit depends upon the type of the battery. This simple...
Versatile Water-Level Controller
This simple, economical and versatile water level controller circuit switches on the motor pump when water in the overhead tank falls below the lowest...