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 Spark Electron was released a few days ago, giving anyone with the Arduino IDE the ability to send data out over a GSM network. Of course, the Electron is just a GSM module tied to a microcontr… ...

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.