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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!

Off-Grid Carbon-Neutral Integrated EV Charging Complex

The proposed off-grid integrated system will be very useful when there is a sudden grid failure. It will continue to provide charging for two-...

Reference Design For An Industrial Motor Drive

The reference design REF-22K-GPD-INV-EASY3B from Infineon is an industrial motor drive for three-phase 400 V AC grids and has a nominal power of 22...

Power Supply With Digital Volt-Amp Panel Meter

This is a variable power supply with digital volt-amp panel meter. Its advantage is that you do not need a separate voltmeter, ammeter, or...

IoT Cameras That Can Chat

Nowadays, everyone's main concern is the safety of pets and kids when we are not around them. This concern keeps us constantly worried when...

Reference Design For A 10A Fast Battery Charger 

The fast charging reference design from Renesas is capable of delivering a high charging current of 10A. The reference design is up to 98%...

Reference Design Of USB BC 1.2 Compliant Charger

Do you want to design a battery charger that can accurately monitor the status of your battery pack? Then this reference design can simplify...

Reference Design of Battery Charger With MPPT

Solar energy harvesting is on the rise, but the main drawback of solar energy harvesting is that it can only generate electricity when the...

Milli-Ohm Meter With 0.1 To 1-Ohm Range

Most shunt resistors have values below one ohm. Such low values of resistances cannot be measured reliably due to range and resolution limitation of...

2S Cell Charger With An Integrated Boost Converter

The EV2639A-R-00B from Monolithic Power Systems is the reference design for a 2S charger with an integrated boost converter. The reference design features a...

Multibay charger for 2S configuration

Do you want to charge a 2S battery pack, or want a charger that can be customised to charge up to 32 cells? Then...

Smartphone Fast Charger Reference Design

Do you want to design a mobile charger that can charge your phone at a super-fast speed? The Texas Instruments reference design is a single-cell...

DIY Micro Spy Bot with Live Audio and Video Streaming Capabilities

Microrobots with live audio and video streaming capabilities can help in tracking human beings during earthquakes and also perform underground surveys. This mini spy...

AI Model Can Detect Parkinson

MIT researchers have developed an AI module that can detect Parkinson’s disease with breathing patterns of the patient. The classical method of detecting Parkinson’s using...

DIY Bluetooth MP3 Player With FM Radio

Have you ever thought of making an audio system at home? Building your own audio system can not only be fun and exciting, but...

Smallest Digital FM Radio Receiver

Do you miss listening to the radio from the old FM radio box? As much as phones have integrated many applications in them, not...

Low-Cost Automation Using PIC16F676

There are many types of home and industrial automation systems available in the market. These include IR remote controller, Bluetooth home automation, DTMF home...

Finger-Size Full-Touch E-Ink Phone using Raspberry Pi

The modern smartphone uses either a backlight display or an OLED display that can harm our eyes on prolonged use. That's why the E-ink...

DIY Wireless Multi-Room Audio System

Many times we wish to stream the same song on multiple locations simultaneously. Audio streaming can be done on all speakers while connecting a...
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