He didn’t sell his clients Arduinos + shields I hope. The SIM548C is a pretty cheap GPS+GSM/GPRS combo as well. Comes in SMT versions as well, and can be really cheap depending on how much ...

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.

The two main components on the BerryGPS-GSM are a uBlox CAM-M8 GPS module and uBlox SARA-U201 cellular modem. Watch this video on YouTube. “Typically, a GPS module can take a few minutes to get ...