(Use GPS/GSM technology to develop car anti-theft system. The system uses GPS positioning technology to obtain the position of the vehicle, determines whether the vehicle is moving, and can send the vehicle position information to the user through the GSM network. The user can set the working status of the system through the GSM network. The internal control of the system is terminated by the single-chip microcomputer, which receives GPS data and commands from users, and gives corresponding management after analysis. The positioning accuracy of the system is within 10 meters, and it can tell the user in time after the vehicle is stolen, and more functions can be added through expansion. Keywords: single chip microcomputer; global/global mobile communication system; global/global positioning system)
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