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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!

Circuit diagram for monitoring devices through Web browser

Monitor Devices Through Web Browser

The Internet of Things (IoT) is being widely used in industrial and commercial applications. This article describes how to monitor devices or things connected to WeMos D1 board, which acts as...

3 – Step Authentication With Face Recognition Smart Lock For Car

At some point, we all must have have come across news of car theft, be it in the television/newspaper or in the neighborhood. It might have occurred with some of us...
Window Alarm Annunciator

Make This Arduino Uno-Based Window Alarm Annunciator

Presented here is a window alarm annunciator based on Arduino Uno board. An annunciator is mainly used in process plants, power plants and industries to monitor various plant conditions to alert...

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...

Build Your Own Low-Noise 48V Regulated Power Supply

Here is a low-ripple and low-noise 48V regulated phantom power supply for an audio preamplifier and driver. Such power supplies require well-filtered, low-ripple and low-noise output voltage with current less than...
Noise Detector with Automatic Recording System

Noise Detector with Automatic Recording System Using Arduino With The IoT

Noise pollution is a growing problem in modern cities, thanks to rapid population growth, urbanisation and new technologies. Moreover, at times, a noisy neighbour or co-worker can drive you crazy and...

Smart Wearable Device For Distress Calls

We all know how it feels to be stuck in a helpless situation and the stress it causes. Imagine being encountered by a dangerous person trying to harm you and there...

RTC Automatic Electronic Ring Bell

“Ting-Ting-Ting” - We are all familiar with that sound of school bell which rang before morning assembly, lunch break and at the end of the day. These bells are often operated...

Simulate Smartphone Screen Lock/Unlock Application

An Android phone allows itself to be locked/unlocked using a password, pattern on a grid of nine dots, fingerprint or facial recognition. An Android phone using a password needs a sequence...
humidity sensor

Humidity Sensor: Basics, Usage, Parameters and Applications

Sometimes, after rains, the air feels moist. The water seems to have suspended in the air. However, in certain AC’s you click some buttons and the atmosphere brightens up. How and...

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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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