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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!
Simple Obstacle-Avoiding Robot
Presented here is an obstacle-avoidance robot without microcontroller (MCU). The obstacle-avoidance feature is commonly found in autonomous cars and robots. Most obstacle-avoidance robots are...
How To Use Modern Multi-Processor Application Programs
An application built with the hybrid model of parallel programming can run on a computer cluster using both OpenMP and message passing interface.
Modern embedded...
Ensuring Safety While Filling Air Inside A Tyre
In this article, our focus is related to air pressure while filling air in the tyre. This is important because the tyre may get...
Image Processing Using MATLAB: Basic Operations (Part 1 of 4)
In this series of four articles, fundamentals, as well as advanced topics of image processing using MATLAB, are discussed. The articles cover basic to...
Noise Detector For Silence Zone Area
Please Keep Silence! You must have seen this message written in places like library and office. But some people intentionally or unintentionally tend to...
Accelerometer based Wireless 3D Air Mouse With Arduino
We have seen different types of Human Interface Devices (HIDs), for example mouse and keyboard. In older versions of computer mouse, optical sensors were...
Communications Equipment Makers Demand High Power Outputs And Small Solution Footprints
Introduction Many communications systems are powered via a 48 V backplane. This voltage is normally stepped down to a lower intermediate bus voltage, typically...
Android Smartphone-Based Function Generator
Android smartphones are rapidly becoming popular in the education industry. Some can even be used as signal or function generators. Bulky signal generators available...
How To Use Relays For Real-World Applications?
This article provides four simple applications that can help understand the control of DC/AC devices to develop real-world applications.
Very often, novel and innovative projects...
Interactive Electrical Equipment Control using Arduino
This project presents a user-friendly way of controlling four electrical equipment using an LCD-based interactive menu. Usually, each equipment is controlled by a pushbutton...
Smart Programable OLED Badge
You might have seen and used badges with various logos and smiles. But have you ever seen any electronic badge?
In this project, we are...
Thin-Film Deposition Controller Using Microcontroller
This project is used to control the movement of the spray head and nozzle in a thin metal or insulation film deposition system. Here,...
Automatic Fan Controller For An Active Heatsink
This Automatic Fan Controller circuit is based on a thermistor and an operational amplifier (op-amp) that drives a MOSFET to switch a cooling fan...
Antenna Design Considerations For RF Applications
Since there is no unique solution for a particular RF applications, some guidelines are needed. This article looks at some such guidelines.
An antenna transmits...
AC Switch Control With Opto-Triac
AC switches are silicon devices that control AC loads directly connected to the AC mains. This means that the driving reference terminal of the...
Home Automation Using Arduino Through Android Device
This project is based on the Android app and Arduino Uno using Bluetooth as the wireless communication medium. It is a simple and flexible...
Temperature Monitoring on Cayenne IoT Platform
This temperature monitoring system is based on Cayenne Internet of Things (IoT) platform, NodeMCU microcontroller (MCU) and Message Queuing Telemetry Transport (MQTT) protocol. The...
OTP-Based Smart Wireless Locking System Using Arduino
In this project, we are going to make an OTP-based smart wireless locking system as you can see in (Fig. 1). This smart lock...