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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!
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...
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...
Low-Power Health Monitor Band Reference Design For Wearables
This complete reference platform integrates sensitive biosignal detection, low-power processing, Bluetooth Low Energy connectivity, and wireless charging, providing a proven blueprint for building reliable...
Low-Power Fitness Tracker Wearables Reference Design
This solution helps design engineers reduce development risk while delivering reliable biometric monitoring and seamless wireless data transmission.
Design engineers working on next-generation health and...
DIY CAN Bus Vehicle Sensor
Here we are designing a very small, tiny CAN network sensor that can be attached to any vehicle. It detects motion, accidents, and all...
Time Lapse Timed Photography On MaixCam Board
Everything changes with time. Some changes happen so rapidly — like 7 frames or more per second — that we perceive them as motion...
Traction Inverter Reference Design For LEVs
Facing range and motor control issues in light EVs? This inverter design claims to cut redesign work and speed up development. Read on to...
20 Rupees Battery Charger
Battery chargers power almost every modern device—from smartphones and IoT nodes to toys and portable gadgets. Most of these products rely on standard 3.7V...