Abstract: At present, the access control system mainly uses single-chip microcomputer as the control center. Single-chip microcomputer has problems such as poor reliability and scalability. In view of these problems, this paper uses ARM chip as the control center in the access control system. The system uses the information obtained from the port by the ARM control board and sends it in the form of short messages through the GPRS network platform, and finally realizes wireless remote real-time monitoring management and remote control. Experiments have proved that the system has good reliability and good scalability.
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