Before going into Project, we will discuss about GPS, GSM and Accelerometer. We can extract coordinate from $GPGGA string by counting the commas in the string ...

The Smart Trolley System manages trolley items using RFID technology, displays real-time updates on an LCD, and sends SMS notifications with product details and total amounts via a GSM module.

This project enables GSM-based communication using an Arduino and a GSM module. The system can make calls, send SMS, receive calls, and check signal strength and battery level. TX of GSM to Pin 10 of ...

Mobile phone is a revolutionary invention of the century. It was primarily designed for making and receiving calls & text messages, but it has become the whole world after the Smart phone comes into ...

Abstract: Traditional billing and payment systems for energy are often marred by inefficiencies, delays, and susceptibility to human error. This paper presents a ...