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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!
LED As Light Sensor
Usually light dependent resistors (LDR) and photodiodes are used as light sensors to activate or deactivate circuits based on the presence or absence of...
From Lightweight Ceramic Heat Sinks To Interface Solutions For Heat Dissipation
While going through electronics product reviews, you might have come across phrases like, “The phone heats up on intensive gaming” or “The device feels...
Cistern Overflow Alert System
The overflow alert system presented here will electronically monitor cistern (tank that holds water to flush the toilet) overflows that can otherwise cause seepage...
School/College Quiz Buzzer
Manual buzzers used for quiz competitions in schools and colleges create a lot of confusion in identifying the first respondent. Although there are circuits...
Electromagnetic Compatibility: Cable Selection And Routing
To read the previous part of this article: click here
It is frequently observed, and more so with those who design and manufacture electronic control...
Wireless Video Surveillance Robot using Raspberry Pi
This project builds a Video Surveillance robot that can be controlled via wireless remote control and can be used for video surveillance also.
Video surveillance...
SMS Alert System
We receive many SMS alerts every day. These are automated messages that are broadcast to a list of mobile numbers. Ever wondered how the...
IoT Based Smart Camera Using Android And Raspberry Pi
Presented here is a project that lets your Raspberry Pi (RPi) turn into an IoT based smart camera and then control and watch live...
81 LED Chaser Light Using CD4017
This is a simple CD4017 based LED light using NE555 timer for clock generation. We have used only two CD4017 ICs to construct the...
Implementing High-Security Remote Control Systems
In remote-control operated systems, security is always a concern. The system must be designed to prevent unauthorised access. Special software and encryption are used...
Infrared Object Counter
This infrared object counter can be installed at the entry gate to count the total number of people entering any venue. For example, it...
Over/Under Voltage Protection of Electrical Appliances
Presented here is an under/over-voltage protection circuit that protects refrigerators as well as other appliances from under & over-voltage. Operational amplifier IC LM324 (IC2)...
Moisture Monitor for Plants
Over-watering and under-watering both are harmful for plants. Roots need air as well as water. If the soil is constantly saturated, air cannot reach...
How To Make A Business Card Flashlight
Here we make a business card useful by turing it into a business card flashlight, that people really do not want to throw away...
Simple Suitcase-Lift Alarm
This suitcase-lift alarm circuit uses vibration sensor HDX-2NC instead of a commercially available sensor. A home-made mercury switch can also be used instead.
Suitcase-lift alarm...
Laser Security System
Presented here is a 6v Laser security system that can be easily programmed for any password. This project powered using a mobile charger which...
Network Analysis And Surveying For 5G Wi-Fi
The Digital India initiative centres broadly around creating a digitally super-empowered India. This is estimated to cost Rs. 1.13 trillion and would allow India...
Brake Failure Indicator
Do you want to get an early warning of brake failure while driving? Here is a brake failure indicator circuit that constantly monitors the...