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 ...

The SIM900 can draw big burts of current and may not work reliably if powered off of USB. For a reliable connection we'd recommend powering it directly off a LiPo ...

Before going into Project, we will discuss about GPS, GSM and Accelerometer. We can extract coordinate from $GPGGA string by counting the commas in the string ...