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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!

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...

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...

Wearable Oxygen And Heart Rate Monitor Reference Design

See your heart rate and blood oxygen anytime with a small wearable. It uses multiple sensors and sends data wirelessly, lasting long on a...

Generate Power Using Microturbine

Presented here is the Hydropower Generation circuit that generates power from a water pipe in a building using a microturbine. The generated electricity can...

Musical Temperature Alarm

A musical temperature alarm is an electronic circuit that detects when ambient temperature exceeds a preset limit and triggers a melody instead of a...

Overcurrent Relay with IDMT for Motor Protection Using Arduino

This is a DIY Arduino-based overcurrent relay project that emulates Inverse Definite Minimum Time (IDMT) protection using an Arduino Nano and ACS712 current sensor....

Custom AI-enabled Home Automation using ESP RainMaker

This tutorial explains how to build an AI-enabled smart home automation using ESP RainMaker. The system supports lights, fans, relays, sensors, RGB LEDs, OTA...
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