Sim808 module was used with arduino uno.

file--GSM_GPRS_CODE: includes the code of simple combined functioning of GSM and GPS. In this code a google maps link will also be send via gsm to the mentioned sim number (user) clicking on which the received location will automatically open up in the google maps app.

file--interactive_GSM_GPRS_code: includes the modified version of the above code. It basically helps in integrating the system with various sensors and according to the output of these sensors GSM and GPS functioning can be controlled along with triggering other actuators connected to the arduino.

Note: provide your mobile sim number in the AT+CMGS commands.