Saturday, November 27, 2021

Editor's Choice

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

LDR Plus GSM Based Security System

We all use safe boxes or drawers to keep our necessary belongings but sometimes aren’t sure how secure it is. We worry about what if someone breaks the lock and opens...

CC3D Open Pilot Qav250 Racing Drone

Due to very high speed in small packages, the racing drones are very expensive starting from 25k to 70K and it becomes the question of affordability for those who are new...

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...

Need For Touchless Technologies To Safeguard Against Viruses

We have intelligent devices like smartphones, smart TVs, computers, and robots in use that need not be touched for operation. In fact, many more things need to be operated without touching...

RFID Based Smart Device For Storing Data

In order to not forget confidential details such as login IDs, passwords, bank account number etc. we often note them down on a document for future references. But it not safe...

Contactless UI Control For Lifts

Lifts/elevators in buildings, hotels and hospitals are used by many people. If it’s a structure with over more than 100 floors, then using stairs is not a convenient option, especially for...

Can AI Rescue The World From Global Warming And Climate Change?

Since last many decades, humans have been engaging in various activities that are directly or indirectly affecting the environment, releasing greenhouse gases, contributing to the rising temperatures, and more. However, the...
Wrong Posture Muscle Strain Detector

EMG-Based Wrong Posture Muscle Strain Detector

Due to excessive fatigue, bone fracture or any other injury, our bodies at times experience muscle aches. In order to heal fast, doctors advise to restrict the stretching of certain muscles...
ESP32 Touchless Temperature Scanner

ESP32 Touchless Temperature Scanner

Ever since the UK variant of Covid19 hit our country towards the end of March-21, in a span of two weeks we have more than 300 active cases in our small...
stereo audio amplifier

Simple 5W Stereo Amplifier For Noise-Free Music

This simple stereo audio amplifier is based on a 12-pin TA8207K IC, which is inexpensive and easily available. In addition, it requires only a few resistors and electrolytic and ceramic capacitors....
 
 
 

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