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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!

This IR Remote Can Control Up To Eight Devices

This Device Controller project based on an 8-bit ATmega328P microcontroller (MCU) can control up to eight devices connected to its electromagnetic relays. The article...

Make Your Own Smart Card

In this project, we would be designing a Smart Card using Radio-frequency identification (RFID) tags. This smart card records previous journeys of the users...

This Stereo Amplifier Is Simple To Make

Here is a simple stereo amplifier you can make with a CD6283 audio amplifier and a few passive components. It provides an output of...

Try Making This TFT-Based GPS Analogue Clock Using Arduino

This GPS-based project displays analogue clock and room temperature on a TFT display. GPS time is a precise time standard that is related to...

OTP Based Wireless Smart Lock System

This is a one-time password (OTP) based smart locking system using Arduino and Bluetooth. It can generate a new password every time you try...

Smart Door Camera with Facial Recognition Feature for Thermal Screening

In these times of COVID-19, it is essential to go through thermal screening for checking one’s body temperature before entering any premises. However, it...

Protect Your Appliances With This Power-On Delay Timer

This simple delay timer circuit is used to prevent noise and spike in electrical equipment before switching on the main input supply. Most electrical...

Create A GUI Program For Raspberry Pi And Arduino

This article describes the procedure to set up Arduino as a slave device, which gets all control signals from Raspberry Pi running a Python...

Get Set Go with Raspberry Pi Camera

This project describes how to connect a web camera to the Raspberry Pi and make use of it. Raspberry Pi board has an onboard...

Contactless UI Control For Lifts

Lifts/elevators in buildings, hotels and hospitals are used by many people. If it’s a structure with over more than 100 floors, then using stairs...

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

We will design an IR-based contactless thermometer using the MLX90614 sensor. This contactless device can also be used for measuring the environmental temperature or...

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...
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