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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 Water Dispenser

A branded automatic water dispenser is usually expensive. So, a relatively low-cost do-it-yourself solution is presented here. It is a portable general-purpose automatic water...

Smart Home Solution

Smart home solutions include IOT powered devices such as lights, fans, water pumping motor, kitchen accessories etc. Smart assistants are voice command based systems...

DIY: Low Noise Power Supply With Four ICs In Parallel

This article presents a low-noise power supply with four 78L15 voltage regulators in parallel, giving about 15V DC output. The modern environment has become...

Washbasin Mirror Light Controller

This controller circuit based on an infrared (IR) object sensor (Sharp 2Y0A21) is used for saving power of the mirror light near a washbasin....

Social Distancing Alarm Cap

Here is an Arduino based social distancing alarm cap meant for Covid-19 pandemic or similar disease outbreak. Maintaining the right gap for social or...

Simulink Model For Real-Time Logging Of Process Data In MATLAB Workspace

In this project, temperature data is logged in real time in MATLAB workspace by building a model using Arduino IO Library in Simulink. Process...

Water Turbidity Meter

Water turbidity is an important factor for maintaining the clearness of water in different places such as ponds and lakes. It is also required...

Voice and Google Assistant Control Universal Remote For TV And AC

We all have televisions in our homes, whether it is a slim smart TV or a large CRT-based TV. And they require a set...

Turn Your Phone Into A Contactless Thermometer

Due to the outbreak of Covid-19 pandemic, it has become important to check the body temperature of people without any contact with them to...

What Is A Switch Debouncer? How Does It Work?

Mechanical switches are one of the most common components used in electrical and electronics manual control circuits. When you press a mechanical switch, two...

Environment and Weather Monitoring System

Many areas require continuous monitoring of the air pressure, temperature and humidity to help predict any change in weather and environmental conditions so that...

Smart AI Robot With Gender Recognition Using Voice

“Robot With Smart Sense its can now recognise your gender even if it is not seeing you can” “We humans have extraordinary capability through which...

Sound Based Computer Automation Using Python

This project is used to control computer such applications as slideshow, music, or video with a finger snap or a clap. It aims at...

How To Build An Automated Test Jig To Check PCBs

Printed circuit board testing is an important task for test engineers. However, with increase in complexity of the circuit, it has become difficult to...

Smart 230V AC Bulb Holder

The smart 230V AC bulb holder introduced here is an ultra-simple device with an automatic electric bulb controller switch and a standard electric bulb...

A Simple Timer Based On Arduino Uno

Presented here is a simple timer kit built around an Arduino Uno board. It can be used to measure the time delay duration of...

Automatic Lights and Door Without Microcontroller

There are various IoT devices available in the market that perform tasks based on voice commands such as opening a door or switching on/off...

Low-cost 3.7V to 5V-6V DC-to-DC converter

This article presents a simple, low-cost DC to DC converter that converts 3.6V-3.7V battery input into three outputs of 6V, 5.3V and 5V. These...
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