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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!
Designing With Protection Against EMC, EMI And ESD
The effects of electrostatic discharge and interference is often ignored by designers, which results in their rejection, especially in global markets. The designers need...
Smallest Alexa-Controlled IoT Device
The popular voice-based AI digital assistant device known as Alexa is often used in smart offices and homes for applications ranging from lighting adjustments...
Arduino-Based Wireless Visitors Counter
Information about the total number of persons present inside a building such as a hospital, shopping mall, or factory helps provide crucial information to...
Wireless Sensor Node(s) And Remote Data Receiver Using Arduino
Wireless sensor node is a sensor node with a wireless transmitter. It has one or more sensing elements with amplifier and signal conditioning circuit...
Have Some Fun Doing These Useful Home IoT Projects With Raspberry Pi
IoT projects can be fun and a great learning experience for budding programmers. Due to the pandemic, most of us are still stuck at...
RFID Contactless Lock
When it comes to security, RFID card-based digital locks are more reliable than key-based mechanical locks since they cannot be easily broken also they...
Solar Pooja Lamp That Runs Nonstop
The oil in lamps that are traditionally lit in a pooja room has to be topped up from time to time. The solar lamp...
Voice Command Controlled Drone
With path-breaking progress in UAV technology, drones are now being readily adopted and deployed for several uses. But despite the advancement, many physically challenged...
Understanding Reliability In Bluetooth Technology
The highlights below discuss the intricacies of Bluetooth reliability in an in-depth manner and address the many connectivity obstacles for optimal use of this...
Suspicious Activity Tracking AI Camera
Tracking and detecting suspicious activity is one of the most demanding tasks for many security personnel and systems. If a security system fails in...
Bluetooth Operated LED Desk Lamp
This LED desk lamp can be switched on or off from a distance using Bluetooth. You can even regulate the lamp’s brightness through a...
Touchless Doorbell For The Post-Covid World
This low-cost, simple, reliable, and effective circuit for a doorbell works without touching.
It can be quite useful in our post-Covid-19 world as it minimises...
Sign Talk: DIY Gesture Language Translator
Communicating with a specially challenged person who can't speak or hear is quite difficult, especially when you don’t know sign language.
So to ease this...
Simple Low-Cost White Noise Generator
White noise is widely used during the testing of preamplifiers, filters, power amplifiers, etc. So white noise generators are required at least for the...
Simple Shortwave Voice Transmitter
This simple shortwave transmitter is easy to construct and can be used to transmit speech on the lower shortwave (SW) band of 5MHz to...
Arduino-Based Compact DIY TDS Meter
Total Dissolved Solids (TDS) is a measurement for detecting the potability of water. Both humans and aquatic creatures require a suitable level of water...
Fast-Moving Drone For Public Announcements
Racing drones are fast and can therefore cover long distances quickly. We can use racing drones for other applications as well such as public...
Make Your Own Group Messenger
Often, we communicate within a known group of office or friends using short key words or phrases. This group messenger can be useful to...