AERONAUTICAL CRASH PREVENTION SYSTEM THROUGH RF

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       An Embedded system is fast growing technology in various fields like industrial automation, home appliances, automobiles, aeronautics etc. Now more than ever, embedded systems designers are recognizing the value of wireless. From home light switches and entertainment systems to industrial controls to remote monitoring and communications, wireless is permeating an increasing variety of applications that might once have been thought of as either standalone or otherwise happily tethered to a wire of some sort.

      The main aim of this project is to prevent the collision among air flights. Many methods have to be followed to prevent the collision between the flights, but here RF technology is used. The micro controller provides some additional features for future enhancement. This project consists of two major units 1) Transmitter Unit and 2) Receiver Unit. 
Block Diagram:
Transmitter Unit
























Receiver Unit























      The RF transmitter consists of an encoder which takes parallel data from micro controller and transmits serial data. The sensors placed in the transmitter unit gives data to the Micro controller. And receiver system containing the decoder converts the serial data into parallel data and fetches it to the micro controller unit.
         Then the controller sends the digital data to the RF transmitter according to the data available from output of all the sensors. In the receiver unit, the RF signal can be detected by the RF receiver. Then the data can be processed by the controller presented in the Receiver unit, and drives the LCD display. Then the data can be processed by the controller presented in the Receiver unit, and drives the motors in the opposite direction. All the status about transmitter end is displayed in LCD. The controller also initiates the Buzzer. This unit is placed in the Flight. 
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