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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!
Analysis of Transformer Inrush Current Using Java
Power transformers are essential part of a power system network. A transformer is used at the transmission side to step up the voltage level...
Multi-Sensor Data Plotting using Arduino IDE
Monitoring of various process variables such as temperature, pressure, viscosity, humidity, pH and flow-rate is very important in steel plants, petrochemical and other such...
25+ Awesome Mini Projects For Engineers
Electronics projects are always in high demand. Students work on them to improve their skills, whereas hobbyists like the fun of meddling with technology....
Bluetooth Based Smart Public Announcement Board
We are all familiar with how notice boards in schools, offices, colleges and railway platforms look like. But have you ever wondered how they...
Smart Inclinometer & Multi-Purpose Measurement Device
Today, we are going to make an ‘all-in-one’ measurement device/instrument, which consists of a digital inclinometer, compass and protractor. It also includes a health...
Make Your Own Dual-Voltage Rechargeable Torch Light
The purpose of this circuit is to create a new topology with good power factor maintained at AC voltage input, to provide good efficiency...
Build An IoT-Based Motion Detector Using Cayenne
Presented here is a motion-sensor-based security system using Cayenne and Arduino Uno. Cayenne is the simplest and easiest platform for the Internet of Things...
Software-Defined Radio with Android Smartphones
Software-defined radio (SDR) is one of the most important wireless communication technologies. It is a unique type of radio system that can tune to...
GSM-based Cellular IoT Home Automation
What if you are out of your home (and/or in another country) and suddenly realise that you have forgotten to turn off the geyser,...
Make Your Own FM Transmitter For Broadcasting
This FM transmitter design is one of the simplest you can build. No tuning is required, as the transmit frequency is crystal-locked at 90MHz....
Make A Battery-Operated Portable Temperature Measurement System
This project presents a K-type thermocouple-based temperature measurement system using MSP430G2553 microcontroller (MCU). The MCU reads sensor data and updates it on a four-digit,...
Convert 12V DC To 9V DC Using IC LM2576
You may already have on hand a 12V AC/DC adaptor or 12V from your PC or 12V battery, but you need a 9V, 2.5A...
DIY: 3D Scanner Using Just Arduino And Android Phone
The entire project is completely automated and available as open-source
Thanks to advanced computational methods, 3D scanning can be used to create real-life, three-dimensional computer...
Automatic Water Refiller for Air-Coolers
Air-coolers provide cool air in a room by adding moisture to the air. This moist air is blown inside the room by an exhaust...
Use MQTT Protocol In Smartphones And Raspberry Pi
The article demonstrates the use of Message Queuing Telemetry Transport (MQTT) protocol in smartphones and Raspberry Pi.
MQTT, a machine-to-machine Internet of Things (IoT) protocol,...
Make A Simple Power Supply For Adjustable Voltage And Current
Sometimes a simple analogue power supply with adjustable output voltage and adjustable current-limiting function is needed. This article presents a simple power supply using...
Monitor Temperature With Voice Alerts
This project is based on Arduino Uno and Processing software for monitoring temperature and sending voice alerts. Processing is an open source IDE that...
Build This Electronic Toy For A Child
Presented here is an electronic toy circuit for your child’s entertainment. The concept of a joint family is disappearing, and childcare is also becoming...