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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!
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...
I Turned My Raspberry Pi into an AI agent with OpenClaw That Can Control Apps, Shop & Automate Tasks (OpenClaw Guide)
The openClaw and AI agents represent a revolutionary advancement in AI. These agents can now perform real-world tasks beyond mere answering; they can also...
Switching Converter Reference Design
A single platform brings multiple DC-DC regulators together, helping you test performance, compare topologies, validate behavior, and move from evaluation to design integration.
The Building...
Solar Energy Harvesting Circuit
Summary:
A low-light solar energy harvesting system using the LTC3105 with built-in MPPT can efficiently extract power from indoor ambient light (as low as a...
Build Your Own IR Audio Communication System at Home
Infrared Audio Communication is a method of transmitting sound wirelessly using pulses of invisible light rather than radio waves. It works by modulating the...
SiC Gate Driver Reference Design
A 100 kW-class inverter reference platform that helps design engineers accelerate development of high-efficiency SiC-based traction and motor drive systems.
For design engineers working on...
433 MHz RF Signal Strength Detector
The 433 MHz RF Signal Strength Detector is a circuit designed to sense and measure the intensity of radio frequency signals in the 433...