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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!
Turn Your Phone Into IR Contactless Thermometer
Since the outbreak of COVID-19, it has become essential to regularly monitor the human body temperature without coming into contact with the measuring device...
Make Your Own Password Locker
A password locker usually has an electromagnetic lock that opens only when the correct password is entered. The circuit presented here for such a...
Make A Crystal-Locked FM Transmitter
The circuit presented here uses a crystal oscillator and frequency multiplier to generate a highly-stable carrier signal frequency of 96MHz. With 40mW of RF...
Contactless IR Thermometer For COVID-19 Detection
Due to the break out of COVID-19, we need to check our body temperature wherever we go - from hospitals to airports - to...
Build A Universal AC/DC Booster, Audio Amplifier Cum Line Driver
A universal AC/DC booster, audio amplifier and line driver can be used in sensor circuits, audio signal generators, electrical guitars and so on. Most...
Can Drones Be Used To Save A Patient’s Life?
This decade has witnessed a great deal about drones and its innumerable purposes. Drones are and can be used in various industries, but there...
Design Your Own Digital Photo Frame
This digital photo frame is designed using Arduino Uno. Smartphones with high-resolution cameras and enhanced features have motivated people to click photos of almost...
Gain and Noise Calculations of Cascaded Systems Using MATLAB
Parameters like noise, signal-to-noise ratio and gain play an important role in the performance of communication systems. Here we explain these terms and their...
Build This IoT-Based Smart Home Controller Using Blynk
Presented here is an Internet of Things (IoT)-based controller for a smart home. This IoT project can be used to control any four home...
Make This Noise Detector For A Noise-Free Zone
‘Please Keep Silence!’ You must have seen this message written in such places as libraries and offices. But some people tend to, intentionally or...
Detecting Multiple Logins In Learning Management System for Online Exams: Moodle
Introduction: The Need or Necessity
Amidst Covid-19 and lock down we were conducting online exams for students through LMS (Learning Management System) – Moodle. Being...
Smart Water Meter To Help Control Water Wastage
Increasing water consumption and wastage is leading to water scarcity. While a large population has no safe drinking water, some people use a lot...
Surround Yourself With Sound From Three-Channel Audio Amplifier
This article presents a simple, low-cost audio amplifier with three channels built around two TEA2025 ICs. The amplifier works from an AC or a...
Stephen Hawking Wheelchair Model Controlled By Eye Motion Part-1
Body paralysis caused by severe neural conditions is one of the most complicated and dreaded things to happen to humans. It makes the daily...
1.5W Power Amplifier
Here we put all the theory to work and present a simple 1.5W power amplifier module that can be easily built with readily available...
Humidity Indicator and Controller
Presented here is a simple humidity controller and indicator. In industries such as textile, the change in moisture content has a direct impact on...
Human-Machine Interface through Electromyography
Electromyography (EMG) is a technique of recording muscular activities by measuring the potential difference across a muscle of interest. EMG signal acquisition is the...
Versatile Audio-Visual Alarm
This circuit uses a NE555 timer IC, some LEDs, a couple of piezo buzzers and a few other components to produce audio-visual effects as...