The SIM900 Arduino Shield Library is a versatile and powerful Arduino library for interfacing with the SIM900 GSM/GPRS module. This library provides a wide range of functionalities for working with ...

Cellular shields for the Arduino have been around for ages, but this is the first one we’ve seen that turns your Arduino into a proper cell phone. The shield is based around the SIM900 GSM/GPRS radio ...

The SIM900 is a very powerful module, which can enable an Arduino to send/receive texts, make calls, and connect to mobile internet. It is controlled using AT commands (detailed in the command ...