He decided to go with the low-cost SIM800L GSM modem, but as it only works on 2G networks, provisions have been made in the board design to swap it out for a more modern module should you desire.

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 ...

The Adafruit FONA Mini GSM module is equipped with a SIM800 GSM cellular module and allows users to add voice, text, SMS and data to their projects with ease. The module supports quad-band ...

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 ...

This will allow the development platform to connect to the internet via GSM mobile phone networks. The module, or shield ... through the BlueVia website where users can login with their Arduino ...

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 ...

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 ...