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.

Now that tinkering has finally come to fruition with [Phang]’s TraLog shield, a single Arduino shield that combines GPS tracking with a GSM and GPRS transceiver.

The GSM Shield also includes a Telefonica SIM card that includes a worldwide data tariff which can be used anywhere there is a cellular signal. Features include the ability to have the Arduino ...

PS3 Burglary "Honeypot" Powered by Arduino, GPS, Wireless Modem Over at DSS Circuits, Wayne Truchsess has posted a great article about a “Honeypot” he built inside an empty PS3 case.

David Mellis has created his very own cellphone using an Arduino GSM shield, as with any phone, on the Arduino GSM Shield cellphone allow you to store numbers ...

If you've mastered the art of Arduino, but haven't yet been brave enough to toss in a bit of GSM communication, the how-to guides linked below definitely deserve your attention.