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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!
A Basic Voltage To Frequency Converter
A proven way to send an analogue signal a long distance is to transport the signal as a frequency using a voltage to frequency...
Accurate And Easy-To-Use Zener Diode Tester
Zener diode is a silicon semiconductor device that permits current to flow in either a forward or reverse direction. The diode consists of a...
Automatic Water Dispenser System For Washing Hands
Here we build the automatic water dispenser device for washing hands with the help of Arduino and an ultrasonic sensor
In the COVID-19 pandemic, the...
Reference Design For An Automotive BMS
Reference design for a battery management system suitable for high-voltage automotive batteries.
With the advancement in lithium-ion battery technologies, the future is all-electric automobiles. But...
Reference Design For Dimmable LED Driver for Automotive Lighting
Reference design for a pulse width modulation (PWM) based dimming LED driver for front or tail LED lights of a vehicle.
Electric vehicles run on...
Fully Non-Invasive Liquid Level Detection
The non-contact liquid level sensor uses the sensing capacitance of water to detect the presence of liquid approaching the sensor. The sensor has a...
Reference Design For An Automotive Tail Light
Reference design for an automotive LED tail light driver that can be controlled either directly in stand-alone mode or from a phone, tablet, or...
Thermal Management System For Electric Vehicles
Recently some electric bikes caught fire due to the failure of the battery management system because of poor battery design. Unfortunately, proper thermal management...
Reference Design For Automotive Side Mirrors Motor Control
Reference design by Texas Instruments (TI) for a simple motor driver for power folding side mirrors for automobiles.
Rear view mirror and side mirrors are...
UART Automatic Baud Rate Detector
While tinkering with electronics Oftentimes I end up with some sort of device that uses UART interface, but that I don't have any idea...
Reference Design For A CO Detector
Reference design for a robust electrochemical carbon monoxide detector.
Carbon monoxide is a dangerous gas that can be lethal for humans or animals. Therefore, gas...
DIY Portable Automatic Humidifier
Humidity is very important in many works like in labs, storage rooms, or in the greenhouse and indoor plantation and we need to maintain...
Super Capacitors for Atmanirbhar And Swachh Bharat (Wall Clock Power Supply)
Solar Photovoltaic energy is available throughout the day while the Sun shines. However, this energy is highly fluctuating in nature. Also, lighting is mainly...
Wi-Fi Analysing Smart Watch
This Wi-Fi analysing smart watch is another version of the world’s first programmable smart watch with fitness tracking project that was published in February...
Reference Design For A Smart Body Fat Scale
Reference design for a smart body fat scale that can display body weight, body mass index (BMI), body fat percentage and body impedance.
Are you...
Reference Design For An Oxygen Concentrator
Reference design for an open-source oxygen concentrator based on molecular sieve and pressure swing adsorption technique.
The COVID-19 pandemic changed the world in many ways,...
A Simple Wireless Charger For Smartphones
Smartphone batteries need to be charged frequently, generally more than once a day. But their charging cables tend to get damaged after some time...
Preparing AI BoT that Works Like You
“AI BoT that works as an assistant for employees, AI that works instead of you when you are busy”
With the rapid advancement of technology...