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Automatic Accident detection and messaging system using GSM & GPS services


Now a day’s accident occurs more frequently. Because of these accidents many of the people lost their life. If  a person  see  an  accident  ,then  he  will immediately call  for  ambulance  by  using emergency numbers like 108 (India), 911 (USA), etc. In this process we have some problems.

·         There may be a delay exist to call for ambulance. When accident occurs the period is very crucial, the injured person fighting with his life and every minute counts for his life. Therefore no delay is acceptable in such situations to call ambulance.
·         If accident  occurs during  night  time  or  at  agency  places (unmanned areas), there  will  be  no  one  to  call  for  ambulance.

     In the  above  two  cases  there  is  a  chance  to  die  that particular injured person.
             The above mentioned problems (like delay and unmanned areas to call ambulance) can be avoided by using this project. In this project, a solution is presented to reduce failure cases to save the life of injured persons in accidents. A device is placed in a vehicle so that whenever any accident occurs, it will immediately track its location and a SMS is sent it to emergency services and also to the required persons. Hence an immediate service is available to the injured persons in accidents and percentage of chance of lives will increase in accidents.

             The  above  solution  can  be  implemented  by  using  GPS and  GSM  technology. Hardware in this project includes GPS module, GSM modem, AT89S52, LCD display, MEMS sensor, power supply. With GPS (global positioning   system) one can automatically determine the precise location at any point on earth using a ground device that picks up signals from multiple satellites. GSM is a type of cellular service available and developed using TDMA technology. Microcontroller monitors GPS module in prefixed intervals. Whenever any accident occur MEMS sensor detects and sends the accident location which is tracked by GPS device and sent SMS via GSM device to ambulance and also to remaining authorized persons. 

Block Diagram:

Figure 1.1 Block diagram

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