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.

arduino gsm security alarm. ... // RX and TX pins to communicate with GSM module #define msg_key 7 #define call_key 8 #define end_key 9 String number ="0000000000"; // Add the 10-Digit Mobile Number ...

GSM module 10 Articles Sink Your Teeth Into PiPhone. April 26, 2014 by Kristina Panos 37 Comments ... He’s powering it with a LiPo battery and using a DC-to-DC converter to set up the 3.7V to 5V.

Arduino has two new boards out which deliver connectivity – the Arduino MKR WAN 1300 (LoRa) and the Arduino MKR GSM 1400. The Arduino MKR WAN 1300 delivers LoRa low-power WAN connectivity, and the ...

The module, or shield, was developed in conjunction with Telefónica’s Physical Internet Laboratory and is available to purchase. The open-source GSM Shield comes with a Telefónica SIM card ready to be ...

The tiny Arduino development board measures just 50 x 32 mm and is equipped with a ATmega328 microcontroller and the latest SIM800H quad band GSM module. watch the video after the jump to learn more.

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. 45 seconds read time.