An Arduino is equipped with a piezo sensor to detect impact, and a GSM shield takes care of the texting. It’s an interesting concept, similar to requiring police officers to wear body cameras.

How to send a GET and POST request with AT commands using the SIM900 GSM/GPRS module and the Arduino UNO. This is useful for retrieving data from the Web and sending data to a web server for Internet ...

arduino gsm security alarm Working of the system is very simple and self-explanatory. When input power is applied to the system, the system goes into standby mode. However, when the terminals of ...

This paper introduces the design and prototype of a new home automation system that utilizes GSM technology as the network infrastructure to connect its components. The proposed system is composed of ...

New GSM Shield from Arduino includes global data tariff. Charles Gantt TweakTown Published Mar 11, 2013 11:30 AM CDT Updated Nov 3, 2020 12:24 PM CST ...

Arduino devices have had the option of a GSM linkup for awhile, but getting that cellular link to truly strut its stuff hasn't always been easy, even for those of us who'd be inclined to program ...