Block Diagram The security system comprises of an Arduino Uno microcontroller and a standard SIM900A ... (3,4); // RX and TX pins to communicate with GSM module #define msg_key 7 #define call_key 8 ...

Presumably, the core phone module will have regulatory acceptance ... Of course, we’ve seen GSM and cell phone shields for Arduino before. Difficult to imagine sticking those in a dog collar ...

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 ...

In conjunction with Arduino, Telefónica is presenting a new version of the Arduino GSM/GPRS Shield project at the Campus Party in Berlin. The project added a GPRS/GSM connection to a free ...

Adafruit has this week made available the Arduino FONA 800 that has been designed to provide Arduino development boards with the ability to enable Arduino cellular GSM via both voice and data.

Today Arduino released its next official product, the GSM Shield. Arduino has paved the way for things such as cheap, easy to use development boards, all the way to DIY gaming controllers ...

Arduino has two new boards out which ... Like the MKR WAN 1300, the MKR GSM 1400 is also based on the ARM Cortex-M0+ based SAM D21, but integrates the u-blox module to deliver global 3G communications ...