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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!

How To Design LED Drivers For Streetlights

This article aims to make design challenges for LED streetlights easier with the help of an example. In many consumer lighting applications, the cost of...

CC3D Open Pilot Qav250 Racing Drone

Due to very high speed in small packages, the racing drones are very expensive starting from 25k to 70K and it becomes the question...

Gesture-Controlled Contactless Switch For Smart Home

To avoid the risk of contracting Covid-19, it is important not to touch surfaces including switches, doorknobs, and keys that have been frequently used...

Face Following Smart Camera For Video Shooting

Video shooting is used in many areas now but when you talk about the video shoot capturing the movement of face or object in...

Fruit Classification And Quality Detection Using Deep Convolutional Neural Network

Fruit classification using a deep convolutional neural network (CNN) is one of the most promising applications in personal computer vision. Profound learning-based characterisations are...

Line Follower Robot Using PID Algorithm

A line follower is a simple robot that follows a thick line drawn on the floor using infrared (IR) or some other optical sensors....

RPi Pico IoT On EYE

Controlling things around you just by looking at them using eyes sounds like Sci-Fi movie or magic but we have made it possible in...

QR Code-Based UI for Vending Machine, ATM and LIFT

While we still use the touch screen or button-based UI for ATM, vending machines or lifts, contactless systems have become an essential requirement in...

Motion Sensor With Voice Alarm Using Arduino

Motion sensor alarms are readily available in the market, but these are expensive. Here is a simple and inexpensive Arduino based motion sensor alarm...

Touchless Sense Switch

Touchless sense switch (TSS) helps read human inputs without touching any equipment or switch panel. Each button/switch that needs human input through physical touch...

Rotating-Wheel LED Lights For Decoration At Functions

This circuit produces a rotating-wheel like LED lights pattern, which can be used to decorate public halls during parties, festivals, and marriage functions. The...

Upgrading Die Attach Machine Capability For Micro Electromechanical Systems Package

Upgrading the current machine mechanical software to improve the machine capabilities can process wafer with double die orientation The paper discusses the study and challenges...

Simple 5W Stereo Amplifier For Noise-Free Music

This simple stereo audio amplifier is based on a 12-pin TA8207K IC, which is inexpensive and easily available. In addition, it requires only a...

Dual Sharing Of Real Time Clock – An Example

I have an old window AC in my lab, which is at the terrace. The AC needs to be run intermittently, especially when I...

IoT Activity Through Eye Control Things Just By Looking

Cool IoT device with which anyone can control a home appliance by looking at it Have you ever thought of controlling electric/electronic home appliances by...

Comparing Isolated Amplifiers And Isolated Modulators

This article covers the major differences between isolated amplifier-based and isolated modulator-based solutions, and explains their uses in improving the overall efficiency and power...

5V DC To 48V DC Converter For Phantom Power Supplies

This circuit provides a straightforward and cost-effective solution to provide 48V DC for phantom power settings such as those found in mixers, mic preamps,...

NeoPixel Colour-Changing LED Lighting Using Arduino

This NeoPixel LED lighting based on WS2811 driver and Arduino digitally produces red, green, and blue (RGB) lights and the combinations. Originally introduced by...
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