The system mainly realizes the real-time monitoring function of the vehicle-mounted system. It uses the STC12LE5A60S2 single-chip microcomputer as the control core, communicates with other field equipment through the CAN bus, collects information such as geographic location through the Crescent HC12 GPS module, and uses the GPRS network established by BENQ M23 as the wireless transmission medium to realize a real-time vehicle-mounted monitoring system. The system receives field data transmitted from other modules through the CAN bus, and combines it with the GPS positioning information to form a frame of data, and uploads the data to the monitoring center through the GPRS wireless network. Compared with other wireless monitoring systems, this system takes advantage of the large coverage area of mobile communication satellites and base stations, has more powerful functions, can interact with voice, text, images and other information, and saves the expensive expenditure required to establish a data link, and has broad application prospects.
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