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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!
Railway Track Gauge and Superelevation (Cant) Measurement System using Arduino
This project presents a portable Arduino-based digital instrument for railway track inspection that measures super elevation (cant), track gauge, and rail temperature. Built around...
Low-Cost 40A, 1200V Solid-State Relay with Voltage Controller
This project describes a high-power solid-state relay (SSR) and AC voltage controller built using a BTA41-1200BW TRIAC (40A, 1200V) and MOC3041 opto-triac. Unlike conventional...
5 Interesting Reference Designs For DALI‑Based LED Lighting
These DALI reference designs enable quick control, dimming, and testing of LED lighting without additional hardware or complex setup.
DALI (digital addressable lighting interface) has...
GUI Reference Design For Embedded Display Applications
It offers design engineers a ready-to-use, open hardware foundation for developing embedded graphical user interface (GUI) products, enables faster prototyping, reduced design risk, and...
Display Driver Shield Reference Design
Why do LED displays still feel limited? A design approach removes size, wiring, and power limits, helping engineers build displays faster.
Design engineers often face...
Guide For Engineers To Create Innovative, Manufacturable PCBs (Part 3)
Bringing a modern PCB design together into reality is often the real test. The third part of this series offers practical insights to streamline...
Raspberry Pi Object Tracking Camera using MediaPipe
In this project, we build a real-time object-tracking camera using Raspberry Pi and MediaPipe. The camera detects a selected object, calculates its position in...
Accelerating Embedded Touchscreen GUI Reference Design
By combining proven hardware architectures with reusable graphics software, it helps engineers cut development time, reduce system complexity, and deliver intuitive, visually rich interfaces...
Automotive Infotainment Display Module Reference Design
Cold starts, voltage drops, and multiple power rails can break automotive displays. This design shows a simple, reliable way to keep them running safely.
Automotive...
Audio Pre-Processing System Reference Design
The design helps you capture voice in noise, reduce background sounds, and run voice recognition locally or through the cloud for devices and apps.
Capturing...
Reference Design For DALI Slave Lighting Control
It highlights the DALI interface, protocol handling, and LED drive control needed for reliable dimming, individual fixture addressing, and seamless integration into modern building...
Top 13 AI Engineering Projects in 2026
These 13 AI engineering projects combine machine learning, computer vision, edge devices, and real-world applications.
List of AI Engineering Projects1. Real-Time AC Current and Frequency...
LED Driver With DALI Dimming Reference Design
Tired of tricky LED driver problems? See a design that makes dimming efficiency and protection easy all in one ready to use solution.
The DER-660...
DALI-2 Lighting System Reference Design
Building smart lights is tricky. This platform makes it easy to test, control, and automate multiple lights, so engineers can focus on creating new...
Real-Time AC Current and Frequency Monitoring for Data Analysis and ML Training
In various industries and applications, it’s crucial to monitor the current and frequency of devices in real-time. These parameters are vital for the longevity...
Wearable Health Monitoring Tag With Telegram Bot
In this project, I built a wearable health monitoring tag that you can actually chat with on Telegram. Using a pulse oximeter sensor and...
AI-Based Hand Tracking for Robotic Arm Control
In this project, I show how to control a robotic arm servo using real-time hand tracking powered by AI image processing. We use MediaPipe...
AC-Mains LED Lighting With DALI Reference Design
High power LED lighting is harder than it looks. Power, dimming, control, and communication collide in one design. See how these problems can be...