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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!
Human Skin Temperature Sensing Reference Design
Measuring skin temperature in wearables is hard. This reference design shows how to get readings using sensor placement, signal paths, and small boards.
Wearable devices...
Portable Video Streaming System with Raspberry Pi Zero and mobile hotspot
Webcasting on a server-grade machine such as a laptop or desktop is routine and unremarkable. Streaming through modem port forwarding is similarly straightforward. What...
A Small Touch-Controlled Solid State Relay
The demand for modern touch-based control systems is rising quickly, driven by their sleek design, ease of use, and lack of mechanical components. This...
Water Level and Temperature Monitor With TFT Graphics Using Arduino
Water and temperature monitoring systems are crucial across various industries, including the chemical, pharmaceutical, and textile sectors. They help maintain precise liquid levels and...
IoT-Based Environmental and Gas Sensing for Real-Time Monitoring
Environmental sensing plays a key role in managing air quality, controlling pollution, ensuring factory safety, detecting hazardous gases, and supporting laboratory monitoring. To be...
Laptop-Based HMI For DC Motor Speed And Direction Control
DC motors are usually controlled with switches or buttons for direction and a potentiometer for speed. While the potentiometer remains effective for speed regulation,...
Delay-Off Appliance Timer
This delay-off timer is a cost-effective, reliable, and easy-to-assemble device for automating time-based switching operations. It improves energy efficiency and adds convenience in both...
5 Interesting Reference Designs For Wearable Electronics
Build wearables faster with sensors, Bluetooth, and extended battery life—powered byready-to-use reference designs.
Wearable electronics are increasingly common in health, fitness, and industrial applications, but...
Raspberry Pi Flight Tracker: Step-by-Step Guide
Flight tracking is fascinating—you can watch aeroplanes move in real time, see their altitude, speed, and even where they’re headed. Many aviation fans and...
Reference Design Of Health Sensor Platform
Struggling to develop wearable health devices fast? See a platform that tracks vital signs, measures sleep and stress, and saves engineers months of design...
Ultrasonic Distance Sensor Reference Design
This is a small compact ultrasonic sensor for industry 4.0 features low power, real-time data communication for industrial robots.
Engineers often struggle with squeezing complex...
Working With 400×168 Four Colour e-Paper
How does a colour e-Paper display (like red/black/white/yellow or red/black/white/grey) work without any backlight? Why do they consume so little power, and how do...
Industrial Multi-Sensor Reference Design
A reference design that might help engineers build industrial sensor networks, integrate IO-Link, and reduce MCU workload. Read on!
When we design industrial sensor and...
IoT-Based Soil Moisture Mapping
In an era where sustainable farming and efficient resource management are paramount, the Soil Moisture Mapping project emerges as an innovative, low-cost solution for...
Reference Design Of A Current Sensing Solution
Measuring current precisely without design headaches is possible. Discover a compact reference design that simplifies sensing up to 30 A while ensuring industrial reliability.
When...
Senior Pillbox – With Adjustable Reminder Timers
As we grow through our lives, we realise that we must take care of our previous and next generation members and it is a...
Reference Design For Advanced Sensor Interfacing
See how engineers can make sensor systems using ready tools, processing, and safety features for cars and industrial machines.
Modern automotive and industrial systems rely...
Build an FM Transmitter with Raspberry Pi (No Extra Hardware)
The Raspberry Pi, a versatile single-board computer, can be transformed into a functional FM transmitter without the need for any separate transmitter HAT or...