The design of this intelligent access control system mainly includes STM32 microcontroller system, fingerprint module, RFID module, relay control circuit, key component circuit, LCD12864 display circuit and power conversion module. The corresponding relay is opened by the fingerprint module and the RFID module for unlocking. The software system adopts the module design idea and chooses the C language as the main language of the program design, and uses Keil5 software for the programming design of the program, and in this paper, the flow chart and program running idea of each module are designed.
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