Saturday, November 27, 2021

Editor's Choice

Collection of best articles on this website selected by the editors at EFY.

Corona COVID-19 Detection Device

This is a concept DIY of COVID-19 Corona Detection Device that helps to detect the symptoms of COVID-19, so as to help individuals quarantine themselves and practice social distancing. The DIY works...
Bluetooth Based Smart Public Announcement Board

Bluetooth Based Smart Public Announcement Board

We are all familiar with how notice boards in schools, offices, colleges and railway platforms look like. But have you ever wondered how they work and how you can make such...

Smart GPS Tracker Using Arduino

Parents often worry about their children when they are away from them. Have they safely reached school? Are they alone at home? Or are they at the playground with friends? -...

Automatic Anchor Light

Federal and international regulations require boats to carry lights between sunset and sunrise and during conditions of restricted visibility. The number and colours of the lights vary with the size of...

Make A Smart Presentation IR Pointer Using Arduino

Smart presentation pointers are readily available in the market but are expensive. Here is a simple, easy-to-build, inexpensive and infrared (IR)-based smart slide pointer using Arduino Leonardo. Slide presentations using PowerPoint can...
Author Prototype of Smart Attendance System

RFID And Face Recognition-Based Smart Attendance System

Every organisation needs an attendance system to obtain data about its working hours and also keep track of its employee’s punch in and out times. With state-of-the-art technology, this is becoming...

Mini Fridge With Peltier Modules

It was in the middle of 1821 when J.T. Seebeck discovered that if two dissimilar metals connected at two different points are held at different temperatures, a microvoltage develops. This phenomenon...
Portable Rain and Steam Detector

Make Your Own Portable Rain and Steam Detector

This is a simple portable rain and steam detector in one circuit. It is compact in size, runs on 9V battery and is easy to assemble. Circuit and working The circuit diagram of...

Designing IoT Face Recognition AI Robot

In this project, we are going to learn how to design a smart AI robot that can recognize a person’s face, can recognize that person’s voice and thus receive various commands...
multi-doorbell system

Build a Smart Touch-Controlled Multi-Doorbell System

Technology is advancing daily and everything is turning smarter. A number of traditional devices that we use in our homes are becoming smarter now, including doorbells that are evolving with new...
 
 
 

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