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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 is a sensor node with a wireless transmitter. It has one or more sensing elements with amplifier and signal conditioning circuit...

Total Dissolved Solids (TDS) is a measurement for detecting the potability of water. Both humans and aquatic creatures require a suitable level of water...

Nameplates are generally made of wood, acrylic sheet, or a metal and fixed on a wall or kept on desk. The author’s prototype of...

In the world highly affected by pandemic there is a huge spike in covid infection cases. With limited resources this fight against Covid 19...

Most multimeters make voltage measurements starting from one volt and some start from 200 millivolts. With such devices lower-value measurement becomes difficult, especially for...

Obtaining AC current readings from an AC wire helps us to know the amount of power that electrical appliances consume, promoting effective maintenance of...

This project presents an Arduino based speed monitoring system where the RPM (revolutions per minute) of a DC motor is continuously displayed on a...

This project is meant to control electrical appliances like fans and lights. You can configure two Yoda modules, one as receiver and the other...

The difference between an Arduino development board and a microcontroller chip is that the development board contains almost every essential part needed to start...