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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!

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...

ESP32-based 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...

The Next-Level FPGA Architectures

This article discusses what to expect from next-level field programmable gate arrays (FPGA Architectures). Architectures of different field programmable gate arrays (FPGA) differ from vendor...

Designing Wireless Gas Detection and Monitoring Systems

Gas detector systems are mainly used for sensing the presence of gas leaks and then taking an action, such as automatically shutting down the...

The IoT and Touch-Based Home Automation

Presented here is a project based on ESP32 module to control home appliances using its touch-sensing inputs and Wi-Fi features. ESP32 module is great for...

RF-Based 12-Bit Signal Transmitter And Receiver

The circuit presented here converts 12-bit parallel digital data to serial data and then transmits it through RF transmitter module. Serial data is received...

Basic Image Processing Using MATLAB

In this article, the author describes basic image processing using MATLAB software. MATLAB is a high-performance language for technical computing with powerful commands and syntax....
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