Embedded system is a special purpose computer system designed to perform a dedicated function. Unlike a general purpose computer, such as a personal computer, an embedded system performs one or a few pre-defined tasks usually with very specific requirements. Since system is dedicated to specific tasks, design engineers can optimize it, reducing size and cost of the product. Embedded system comprises both hardware and software. Embedded system is a fast growing technology in various fields like

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... ndustrial automation, home appliances, automobiles, aeronautics etc.Intelligence in predicting any near future disaster is a ramping up technological trends in preventing many accidents and lives. This system detects any minor speed drops of the preceding vehicle help of Ultrasonic reflection and alerts the Current Vehicle Operator as well as the succeeding Vehicle with the help of a ramping up Light. Advanced driver assistance increasing road safety by reducing the number of accidents as well as reducing the impact in case of non-avoidable accidents.Increasing traffic efficiency with traffic congestion control resulting in reduced transport time, fuel consumption and thus contributing to improving the environment. User communications and information services offering comfort and business applications to driver and passengers.