International Journal Of Engineering And Computer Science
In this paper, the authors are to use a wireless technology for automobiles using GSM modem. This paper is to stop the automobile engine with the help of GSM modem when any person tries to steal the vehicle. When unauthorized person tries to unlock the door of car, then a programmable microcontroller 8051 gets an interrupt and order to GSM modem to send a SMS. GSM modem that stores owner's number upon a miss call for the first time, sends an alert SMS to that authorized number.