An Arduino-based home alarm with RFID, GSM and Bluetooth capabilities. More features are remote motion sensors and a database that stores all user info if the power should go off. This is a ...

The code for interfacing PIR Sensor and GSM SIM900A Module with Arduino UNO. Created as an IoT mini-project for Semester 5, as mentioned in the University's curriculum. A wireless notice board built ...

Arduino today announces that the Arduino GSM Shield, developed in conjunction with Telefónica’s Physical Internet Laboratory, is now available to purchase. The GSM Shield adds a GPRS/GSM connection to ...

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 ...

We’ve already seen ESP32 WiFI & Bluetooth SoC combined with a cellular modem several times already, and a couple of days ago, I wrote about LILYGO T-A7068X ESP23 board with a 4G LTE modem. Iconic ...

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