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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!

Tiny Wi-Fi Switch for $3

Out of curiosity, I ordered the tiny ESP8266 relay switch from aliexpress.com but never knew it could be so embarrassing to find the right...

Arduino-Based Coil Winding Temperature Recorder and Alarm Generator

Monitoring the temperature of a transformer or electric motor winding involves data acquisition. This project is developed to monitor the temperature of an electric...

Artificial Intelligence API for Car Parking Management System using STM32F407 and Image Processing using OpenCV

Today a car parking system is increasing day by day that multiplies parking capacity inside a building or a parking lot. Parking systems are...

Motion Detector Security Alarm Using Digispark Development Board

This circuit produces an alarm whenever someone comes near the spotting range of its passive infrared (PIR) motion sensor. It can be used as...

Post-Silicon Validation Methodology in SoC (Part 2 of 2)

Read Part 1 Post-silicon validation is an essential step to verify the proper functioning and operation of an SoC, post manufacture. Part 2 discusses elaborately...

PWM-To-Analogue Signal Converter

This article presents a simple circuit to convert transistor-transistor logic (TTL) or pulse width modulation (PWM) signal to analogue signal using LM358 operational amplifier....

Simple and Low-Cost GPS Clock

Real-time clock (RTC) integrated circuits (ICs) are used for reasonably accurate time displays. The accuracy of RTCs mostly depends on the crystal. In a...

Light-Activated Switch

Here is a simple circuit of a light-activated switch that automatically turns on the light/lamp at night and switches it off during the day....

Fastest Finger First For Four Players

Fastest finger first technique is used in quiz shows (with rapid fire rounds) to find the order in which participants press the buzzer (to...

Smart Irrigation System

This project is based on the AEIOU heuristic framework of Design Engineering Approach. Design for Performance, Safety and Reliability is ensured in terms of segregation...

Small Variable Lab Power Supply for Young Experimenters

Lab power supply is the first thing needed by anyone who is extremely passionate about his electronics based experimental work. There are millions of...

12-Multi National Digital Clock on Arduino UNO

The presence of 12 Multi-National Digital clock is very common at the lobby / front desk of star hotels, showing time & dates of...

Programmable Automatic Bell System

All schools and colleges follow a timetable for their classes, providing different time slots for different subjects. In order to follow the planned timetable,...

Auto Power Switching Mains, Solar Inverter, or Generator

This project is based on the AEIOU heuristic framework of Design Engineering Approach. Design for Performance, Safety and Reliability is ensured in terms of switching...

BLUE_P: Wireless Arduino Programming Shield

Many times we make projects using Arduino, while working with it we need to connect it with PC to upload program using USB cable....

Logging Sensor Data in MS EXCEL through MATLAB GUI

The measurement and analysis of process parameters such as temperature, flow, conductivity, speed, viscosity and stress play a crucial role in providing information about...

Designing Smart Chatbot with IoT for home automation with videos (Hindi & English)

In this project, we will be using ESP8266 12E manufactured by Lolin to make a Chatbot that can control our home applications. To chat...

Post-Silicon Validation Methodology in SoC (Part 1 of 2)

Post-silicon validation includes a number of activities such as validation of both functional and timing behaviour as well as non-functional requirements. Each validation has...
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