The traffic hazards and road accidents take place frequently which causes huge loss of life and property because of the poor emergency facilities. This paper provides an optimum solution, for crash or rollover detectors of the vehicle during and after a crash. With signals from an accelerometer, a severe accident can be recognized. According to this paper, when a vehicle meets with an accident immediately, Accelerometer sensor will detect the signal or if a car rolls over, will detect the signal and send it to Microcontroller. The Microcontroller sends the alert message through the Global System for Mobile Communications (GSM) Modem including the location to a police control room or a rescue team. So the police can immediately trace the location through the Global Position System (GPS) Module, after receiving the information. Then, after confirming the location, necessary action will be taken. If the person is met with a small accident or if there is no serious threat to anyone`s life, then the alert message can be terminated by the driver by a switch provided in order to avoid wasting the valuable time of the medical rescue team.
Key words: Accelerometer sensor, GPS, GSM, Microcontrollers
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