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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!

Smart Digital Calendar That Tells You Live News From EFY

We all must have used a photo frame in our houses, but have you ever wondered that you can make a smart digital photo frame cum calendar by yourself?  Today, we will...
Fig. 1: Circuit diagram of the LED flasher using Arduino

Flash Twenty LEDs Using Arduino

Presented here is the circuit that drives twenty LEDs in a random manner. LED flashers and sequencers are used in decorative lights to give pretty colour combinations by glowing LEDs in...
Alarm Clock Radio Using Arduino

Alarm Clock Radio Using Arduino

Introduction This project describes how to make the alarm clock radio in Arduino. The main feature of this project is that it will display date, time, will Alarm on the desired time...

Design Your Own Portable Spectrum Analyser

This low-cost portable spectrum analyser can be used to analyse the frequency content of input signals up to 5kHz. Frequency spectrum of an input signal possesses vital information, and the same...

Simple Key-Operated Gate Locking System

This simple key-operated gate locking system allows only those persons who know the preset code to open the gate. The code is to be entered from the keypad within the preset...
Circuit diagram for Multitester

Handy Tester

For beginners, here’s a low-cost multitester that can be used to test the condition of almost all the electronic components from resistors to ICs. It uses only a few components but...
Fastest Finger First System for Six Players

Develop A Fastest Finger First System for Six Players

Described here is an Arduino-based fastest finger first system. In quiz shows, the buzzer or fastest finger first round is frequently used to determine which candidate (or group) achieves the highest...
Author's Prototype of Wireless Frequency Meter

Make An Arduino-Based Wireless Frequency Meter

This project describes an Arduino-based wireless frequency meter designed to measure frequency of sinusoidal AC signals in the range of 50Hz to 3kHz. The authors’ prototypes of the transmitter and receiver...
Portable Rain and Steam Detector

Make Your Own Portable Rain and Steam Detector

This is a simple portable rain and steam detector in one circuit. It is compact in size, runs on 9V battery and is easy to assemble. Circuit and working The circuit diagram of...
Designing IoT Face Recognition AI Robot

Designing IoT Face Recognition AI Robot

In this project, we are going to learn how to design a smart AI robot that can recognize a person’s face, can recognize that person’s voice and thus receive various commands...

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Simulate Smartphone Screen Lock/Unlock Application

An Android phone allows itself to be locked/unlocked using a password, pattern on a grid of nine...

Creating Game Using Python Within Ten Minutes

Game using Python
Have you ever wondered how video games are created? It is not as complicated as you might...

Real-Time Face Detection and Recognition for Security Purposes

This article demonstrates real-time training, detection and recognition of a human face with OpenCV using the Eigenface...


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