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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!
Getting To Know IC 555 Through Experiments (Part 2)
The first six circuits to learn the theory and digital logic behind twelve simple experiments that can be performed using IC 555 were published...
DIY: Wireless Addressable RGB LED Controller
You might have used RGB led light and used it in the room for decoration and other lighting purposes. You might also have used...
Getting To Know IC 555 Through Experiments (Part 1)
There are at least twelve simple experiments that can be performed using IC 555 and simultaneously learn the theory and digital logic behind its...
Maixduino Powered Doorman – Modified For Better
Maixduino Powerd automatic doorman
For entering & exiting control room there are two glass swing doors - one outer door and one inner door....
Make Your Own Automatic Gateman
Automatic gateman: This is a very common sight. The gate is covered by boom barrier. The car slows down and passes below an IR...
A Smart Whistle Counter For Cooking And More
This article describes a smart electronic counter that counts the number of pressure-cooker whistles and also time duration of the cooking. It triggers a...
Temperature Controlled Switch
This simple temperature controlled circuit triggers automatically when the ambient temperature goes beyond a set limit of, say, 50 degrees centigrade. This temperature setting...
Using Node-RED For IoT And Edge Computing
All of us make use of IoT in one way or the other today, and this usage will only grow in the near future....
Amazing Speech-Controlled Sudoku Solving Robot
For most people solving sudoku puzzles is not a particularly simple task. A novice may take many hours to finish a straightforward sudoku puzzle....
Object Detection Using ESP32 Cam
An ESP32 camera (cam) can take pictures at 2MB per second rate and transmit them up to 200 metres using a small antenna on...
Coal Mining Safety Robot Using Arduino
The main objective of this project is to design a coal mining safety robot to detect toxic gases emitted in coal mines. It is...
Reference Design For A Three Phase Brushless DC Motor Drive
Reference design for a BLDC motor driver with an integrated AC to DC converter
Reference design for a sensorless DC motor driver with input from...
Reference Design For A 22kW Industrial Motor Drive
Reference design for a 22kW industrial motor drive for three-phase 400 V AC grids.
The REF-22K-GPD-INV-EASY3B can be used for both low-powered motor control as...
Building a Device to Monitor Activity Without any Wearable Sensors
Is it possible to monitor any person's activity without using any wearable and breaking their privacy?
If you are a doctor or spy and asked...
Getting Time From NTP Server Made Easy
Every once in a while, you come across an idea where keeping time is a prime concern. For example, imagine a relay that has...
How To Convert ChatGPT Into An Advanced Voice Assistant
ChatGPT-3 needs no introduction. You ask it any question and it replies in a flash. But the answer comes in the form of...
Reference Design For A 350W Power Supply
Reference design for a 350 W power supply with monitoring capability
This reference described the unique synchronous bridge rectifier, the interleaved PFC stage, the high-speed...
Simple Low-Cost Inverter
There are different types of inverters available in market, but their circuits are generally complex, so their cost is high. Here is a proposed...