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Engineering Projects For You

Free engineering project ideas, circuit diagrams and software codes for students and hobbyists. Complete instructions on DIY electronic devices. EFY tested circuits with source codes.

Computer Vision Based Quality Control Using Python

Quality control is an important process in all manufacturing industries. Normally, it includes checking the final product on sample basis and confirming whether the whole lot is suitable for dispatch or...

Build Your Own Stereo Amplifier Using TDA2822

Here is a simple stereo amplifier that can be used to amplify audio from mobile devices. IC TDA2822M used in the circuit comes in an 8-pin DIP package and is readily...
flash light

Decade Counter Based Flash Light

This decade counter based flash light circuit generates flashing lights in running pattern. In conventional running lights, the LEDs glow one by one. In this circuit, the LEDs flash a number...
audio noise limiter

Audio Noise Limiter

Audio noise can be annoying, especially if you are trying to listen to a very weak radio station. Peaks of unwanted background noise completely swamp the broadcast signal, making it unintelligible....

Frequency Divider using 7490 Decade Counter

Here is a low-cost frequency divider using 7490 decade counter circuit for generating different square-wave signals. The circuit is built around a 10MHz crystal oscillator, hex inverter IC 7404 and seven...
free mechatronics ebooks

15 Free Mechatronics e-Books

Presented here are 15 free mechatronics ebooks, that will come in handy for robotics and mechatronics enthusiasts.1. RoboticsAuthor/s: WikibooksPublisher: Wikibooks, 2012The author of the book has tried to bring together various...

Battery Level Indicator

Normally, in mobile phones, the battery level is shown in dot or bar form. This lets you easily recognise the battery level. Here we present a battery level indicator circuit that...
wordpress web server setup on raspberry pi

WordPress Web Server Setup on Raspberry Pi

WordPress is a PHP and MySQL based open source blogging platform and content management system. It is a popular blogging system and includes features like threaded comments, galleries, revision histories, trash,...
automation projects

12 Awesome Automation Projects

Automation allows the benefit of automating tasks and minimizing human involvement. This has led to a lot of people working on automation projects, as these are fun to create and have...
phone broadcaster

Phone Broadcaster

Here is a simple yet very useful phone broadcaster circuit which can be used to eavesdrop on a telephone conversation. The circuit can also be used as a wireless telephone amplifier. One...

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FIFO Design Using Verilog

FIFO design using verilog
Presented here is a FIFO design using Verilog that is simulated using ModelSim software. In this article,...

Image Compression Using Discrete Cosine Transform Technique

Presented here is a MATLAB-based program for image compression using discrete cosine transform technique. It works for...

Computer Vision Based Quality Control Using Python

Quality control is an important process in all manufacturing industries. Normally, it includes checking the final product...

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