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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!
Component Defect Detection After Board Mounting
The fact that a component is mounted on a board does not necessarily reduce its ability to be imaged and checked with ultrasound. Here...
Public Announcement Using Drone
Making public announcements in a quick, time-bound manner while covering large areas sometimes becomes costly. Due to the limitations related to travelling, it is...
Stereo AF Amplifier Using TDA1517
Here is a simple stereo audio amplifier that can be made using a TDA1517 IC. A 14.4V regulated voltage is used as power supply...
Raspberry Pi Smart Stick Transforms TV Or Monitor Into Smart TV
A smart TV generally costs more than a normal TV. Curved LED TV is even more expensive with a price range of around 30k...
Power Bank Based Linear Regulated DC Power Supply
This circuit uses power bank and DC-DC booster module not only for charging mobile devices but also to provide 1.2V to 37V DC power...
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...