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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!

Automatic LPG Gas Leakage Detection using Arduino

LPG (liquid petroleum gas) used in kitchen gas cylinders is a mixture of propane and butane in diverse compositions. Even though LPG is essential...

Simple Security Code Lock Circuit

The circuit described here is an electronic combination Security Code Lock. It opens only when you press four keys in the correct sequence (referred...

How To Build Cell Phone Signal Jammer

A cell phone Signal jammer is an electronic device that blocks the transmission of signals between a cell phone and a base station. By...

Simple Interval Timer Circuit To Save Electricity

Often, we forget to switch off some of the electrical devices in our houses and offices after their usage, especially those with short-duration requirements...

Simple Temperature Controller Using The TMP36 Sensor

Modern electronics have evolved to a great extent today, encompassing computer science on one hand and information technology on the other. There is hardly...

Reference Design Of The Handy Vacuum Cleaner

The vacuum cleaner design combines convenience and power, using an air pump, a sensorless 3-phase BLDC motor, and an advanced microcontroller to offer dual...

Interesting Reference Designs Of usb chargers

Title of Reference DesignDual USB Port ChargerUSB Power Delivery Battery Charger45-Watt USB ChargerUSB BC 1.2 Compliant ChargerSmartphone Fast Charger Reference DesignImageKey AttractionsThe reference design...

Real-time IoT Data Logging To Google Sheet 

Introducing our groundbreaking IoT system that simplifies real-time IoT data logging, sharing, and analysis! With just one platform, you can effortlessly upload sensor data...

5 High-Efficiency Motor Drive Reference Designs

Explore these efficient and versatile motor drive reference designs for driving various types of motors. From low-powered consumer electronics to industrial applications, these designs...

Reference Design For High-Speed Vacuum Solution

In a hygiene-centric era, a revolutionary reference design offers cutting-edge technology for efficient, durable, and user-friendly vacuum solutions. In today's fast-paced, hygiene-conscious world, the vacuum...

Heart and Pulse Rate Monitoring System – Contactless and Portable

We developed an innovative solution - a contactless Heart and Pulse Rate Monitoring Sensor for ventilators and spirometers. Say goodbye to the inconvenience of attaching...

Reference Design For Vacuum Cleaner

A vacuum cleaner design integrates a microcontroller, advanced infrared functionality, and intelligent suction management. Today's vacuum cleaner is an essential home tool. The upright and...

Top 5 USB Charger Reference Designs

USB chargers have become an indispensable part of our daily lives, keeping our devices powered and ready to go. But have you ever wondered...

Wireless Gesture Controller for Home Automation using Raspberry Pi

Today, we will create a Wireless Gesture Controller System that tracks finger movement, recognizes gestures, and uses them to control lights. This system can...

Reference Design For Wireless Heart Monitor

Texas Instruments (TI) has launched a wireless heart monitor reference design for battery-powered, 3-channel ECG applications, offering accurate monitoring and BLE connectivity. In the rapidly...

Reference Design For A Precise Polyphase Meter With Temperature Sensing

Reference design for a polyphase energy meter with a meter accuracy of class 0.5s for active power and class 2 for reactive power measurements. The...

Reference Design For A 3-Phase Energy Meter With Harmonics Analysis

The MCP3909 / dsPIC33F 3-phase energy meter reference design has an accuracy class of 0.2SThe energy meter reference design features active energy pulse output,...

Reference Design For A Class 0.5 3-Phase Smart Meter

TIDM-THREEPHASEMETER-F67641 from TI is a reference design that can calculate active and reactive power and energy, RMS current and voltage, power factor, line frequency,...
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