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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!
48V Zone Reference Design
Cars are moving to 48V power systems. A new design shows how power can flow easily, use less wiring, and still run old 12V...
Wireless Smoke Detector Reference Design
It provides design engineers with a practical architecture, hardware components, and firmware framework for developing reliable and scalable fire-safety devices used in smart homes...
Smart Speed Monitoring System For Road Safety
Advances in embedded systems and sensors have enabled efficient, intelligent surveillance solutions that improve safety and control in transportation and automation applications. The system...
Real-Time Face Tracking Using Raspberry Pi 4 Versus Raspberry Pi 5 With Hailo-8L
Real-time face tracking has evolved from a research novelty into a practical tool for interactive robotics, surveillance, and automation. Advances in single-board computers and...
High-Voltage Capacitor Discharger
During repairs of vacuum tube equipment, switch-mode power supplies, microwave ovens, or similar systems, buffer or reservoir capacitors can retain potentially lethal voltages even...
Alexa-Enabled Smart IoT Electricity Meter Switch Board
Imagine tracking power-line voltage, frequency, current draw, and appliance power consumption through a smart switch plug. Real-time data is continuously logged to a database,...
Object Counter For Conveyor
Loading cement sacks into trucks requires precise counting for traceability, yet manual methods are error-prone and often lead to shipment discrepancies. This system automates...
Batteryless Microcontroller Operation Using Supercapacitor
Imagine a world where microcontrollers (MCUs) and development boards operate without batteries. Energy-harvesting technology now makes this a practical reality. Several batteryless IoT sensors...
LED bar Display Showing Audio Signal Level
This is a simple audio-signal-based LED indicator built around the LM3914 display driver IC. Visual indication of audio signal levels is an essential feature...
Simple Tricks To Pack More 5G Antennas
Can compact isolation structures enable denser 5G antennas? PCB-friendly isolation techniques make it possible to place more antennas into tight layouts without sacrificing isolation,...
Smoke Detector Alarm Reference Design
A smoke detector design that combines sensing, alarm, horn driver, temperature check, and communication in one unit, using fewer parts for fire and home...
5 Interesting Reference Designs For Display And GUI Applications
Building small, high-quality displays from scratch can be complex and time-consuming.These reference designs manage video, colour, and optics, reducing design time and effort.
When we...
Brushless DC (BLDC) Motor Driver Circuit
Brushless DC motor drivers are fuelling the rise in BLDC motor. But their control usually requires rotor position information for selecting the appropriate commutation...
Reference Design For Wearable ECG Systems
A reference board lets engineers capture clean heart signals by combining ECG, motion, and mechanical heart sensing in one patch.
Wearable ECG systems often fail...
Reference Design For Miniaturized Optical Heart Rate Monitor
This design enables design engineers to accelerate development, optimize power consumption, and ensure high signal integrity in next-generation biometric systems.
It is a compact optical...
AC Arc Fault Detection Reference Design For Circuit Breakers
Arc faults can pose a serious threat to electrical safety, but detecting them can be challenging. This reference design integrates fast current sensing, voltage...
30 Rupees CAN Bus Transceiver Design
Transreceiver plays a crucial role in CAN bus communication, transmitting data from the MCU to the CAN network. While most MCUs, such as the...
IoT-enabled CAN Bus Vehicle Monitoring System
This project demonstrates how to build an IoT-enabled CAN bus monitoring system using the Indusboard Coin. While the CAN bus is widely used in...