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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!
Causes Of Relay Failure In Switching Power Supplies And The Remedies
In a switching power supply, sometimes the relay contacts fail due to a short-circuit, but the product continues to work. In the long run,...
The Standalone Logic Analyzer That Needs No Laptop
The most essential tool for engineers is a logic analyzer, which they operate using a laptop or PC to show the results. A stand-alone...
Top Reference Designs for Li-Ion Chargers
Designing a Li-Ion Charger? Here’s a collection of valuable industry-grade reference designs shared by leading brands.
Reference Design Of USB BC 1.2 Compliant Charger
The Reference...
Rendezvous With Electronics
Electronics: A genteel version of Electricity!
I always wondered how to explain to a layman the difference between 'Electricity' and 'Electronics'. Well, I tried to...
Weather Station Using STM32
This is a simple “Weather Station using STM32 with ThingSpeak IoT” powered by STM32 ARM Cortex (Blue Pill), this system detects environmental parameters such...
GPS Location-Based Alarm
We have designed a GPS location-based Alarm and alert system using ESP board.
On many occasions, we find ourselves making shopping lists or planning tasks...
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...