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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!
Smart Wireless Water Meter With Web DB IoT Projects
As water consumption and wastage increases day by day, water scarcity has become a growing concern around the globe. While some irresponsible people are...
DC Panel Meter Using Arduino
Panel meters in regulated power supplies are used to display electrical parameters like voltage and current. Presented here is a DC Panel Meter circuit...
Two-Channel Wireless Audio Amplifier Using Bluetooth and TA8210AH
Use of audio amplifiers is increasing day by day. This project deals with the transmission of the audio signal wirelessly and amplification of the...
Greater Functionality Demands Higher Levels Of Technology
Companies are trying to maintain their competitive edge by adding more functionality to their products. This is making systems that were previously relatively simple...
Designing FM Receiver Using GNU Radio and RTL-SDR Dongle
This article covers the designing of an FM receiver using GNU Radio software and RTL-SDR hardware on Ubuntu operating system (OS). With advancements in...
Wireless Control of Robotic Car Through MATLAB GUI
This project presents the implementation of a MATLAB graphical user interface (GUI)-based approach to wirelessly control the movement of a robotic car. Commands to...
Non-Reciprocity In Ferrite-Less Devices: A Way To Full Duplex Mobile Communication
With full duplex realisation, a single antenna could be shared between the transmitter and the receiver.
5G standards are currently being laid out. It is...
Plus-minus 5V Supply From 9V Battery
Op-amps require dual-polarity supply for proper operation. When working with battery supply, it becomes difficult to get dual power supply for the op-amps. Presented...
IoT-Based PM2.5 and PM10 Air Quality Monitoring System
This is an ESP32 NodeMCU-based Air Quality monitoring system to check particulate matter (PM), humidity, temperature, altitude and pressure levels. Various environmental conditions of...
Turn Your Old Inverter Into An Emergency Power System
An inverter turned into an emergency power system, which turns on when the mains supply fails, and more importantly doesn’t turn on when the...
Setting Up Qt On Raspberry Pi And Basic Application
This project describes the steps to get started with Qt software on Raspberry Pi operating system. Qt is a platform-independent application that can run...
Transform Your Recordings: Crafting an 8-Input Audio Mixer with Pro-Level Controls!
When recording sound from several orchestral instruments being played by different musicians using a single microphone, the only way to adjust the sound balance...
LED Scrolling Display
A light-dependent resistor (LDR) whose resistance is inversely proportional to the intensity of light is often used as a sensor in electronic projects that...
Simple Line Follower Robot Using LM358
Presented here is the design for a relay-based line follower robot without using a microcontroller (MCU). The robot provides a simple application to get...
Indoor Localisation Using Bluetooth Beacons
Location based services are rapidly emerging in the modern era where users are provided with various application softwares to comply their requirements. Applications such...
Cellphone Operated Land Rover Without Using Microcontroller
Here we discussed the step-by-step guide to building Cellphone Operated Land Rover Without Microcontroller.
Mobile robots have the capability to move around in their environment...
3 Phase Motor Programmable On and Off Controller
A 3 phase motor programmable controller that automatically turns on/off controller can be made with a programmable time switch. In this case, a maximum...
Warning System for Over-Height Vehicles
This circuit can be used to detect big over-height vehicle moving towards bridges, tunnel entrances and overhead structures, and warn the drivers. It can...