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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!

This IoT Project Tracks Nuclear Radiation Live

Nuclear leakage detection and radiation monitoring have become critical as the world generates increasing amounts of nuclear waste. Almost every country produces nuclear waste,...

Tachometer with LED display using Arduino

Measuring the speed of a rotating object is a common requirement. Knowing the speed of table and ceiling fans, as well as kitchen appliances...

Energy Monitoring in Real Time with IoT

Earlier, we designed a smart energy meter that used a current sensor to measure current. In that version, we manually set the voltage range...

Power supply architecture reference design

Power systems are getting complex. This reference design shows a way to build multi-rail supplies with load support and protection features. Power systems used in...

Efficient Isolated Flyback Power Reference Design 

A ready-to-use reference design that helps engineers quickly develop reliable, compact, and efficient isolated DC-DC power supplies with reduced design complexity and faster time-to-market. An...

Audio Spectrum Analyser With Bar-Type LED Display

An audio spectrum analyser is an electronic instrument or device that measures and displays the amplitude of an input signal as a function of...

Batteryless Power Bank for IoT Devices

Many IoT (the Internet of Things) devices require a reliable secondary power backup. If the primary supply or battery is depleted or suddenly disconnected,...

AI-Based Gateman System To Record Vehicle Number Plates

An earlier version of this automatic gateman system, built around a camera-based design, was published on the Electronics For You website and can be...

BLDC Motor Failure Detection System For Drone Safety

Drones are widely used across several fields, including aerial photography, surveying, inspection, agriculture, and recreation. Despite their growing importance, many drones develop hardware faults...

Face and Object Tracking AI Smart Robot

Precision in human-robot interaction depends on the ability to recognise and track human faces along with detailed facial landmarks. This capability underpins emotional analysis...

Rotary Switch-Selectable Timer for Industrial and Domestic Use

The rotary switch-selectable timer for industrial and domestic applications is designed as a robust and practical timing device for systems that require fixed delays...

Low-power RF mesh reference design 

Build RF mesh networks with multi-hop range, lower cost, and reliable links—this design shows how engineers can scale smart metering and wireless systems. The reference...

5 Interesting Reference Designs for Wearable Health and Fitness Devices

See how wearable devices monitor heart rate, oxygen levels, respiration, and other vital signs with ease. These designs help engineers develop smart health devices...

Time Lapse Timed Photography On Raspberry Pi Zero Board

We previously developed a time-lapse photography system based on the MaixCam platform, which performed remarkably well in terms of functionality and features. However, one...

Reference Design For Compact IoT And Wearable Systems

Achieve the perfect balance between efficiency, noise performance, and miniaturisation—enabling reliable power solutions for next-generation portable and battery-powered devices. It serves as an important benchmark...

₹500 Blind Stick Without Code

The Blind Stick is a low-cost assistive device designed to help visually impaired individuals detect obstacles and navigate safely. It uses an infrared (IR)...

Build a Pocket AI Agent on Raspberry Pi Using PicoClaw

After the creation of LLMs like Generative AI, the next big revolution in AI is AI agents like OpenClaw. These agents can not only...

Bi-Directional Active Front End Reference Design

A bidirectional converter design shows how SiC devices handle charging and discharging in EV systems, with simple control and flexible setup for testing different...
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