The Design of Electronic Door Lock Based on RFID
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Fan GAO, Fanqing MENG, Junfeng DAI
To realize intelligent management of door locks in the people's workplace, we come up with a design of electronic door lock based on RFID. This design is divided into two parts: the inside machine and the outside machine. The STC89C58RD+ microcontroller is used as the core module of the outside machine, and connects the physical keyboard, LCD screen and RFID reader to form the human-computer interaction outside the door. The STC15F2K60S2 microcontroller is used as the core module of the inside machine, and peripheral circuits such as a FLASH memory module, an electronic lock control circuit and a communication port are connected. By writing the main control program, the password or card number transmitted from the outdoor machine is compared with the information in the FLASH memory to judge whether the password or card number is legal or not, thereby controlling the opening and closing of the door lock. It can also manage the RFID card number or password according to the instructions of the outdoor machine or the upper computer. At the same time, the upper computer program is written to implement systematic management of user information, RFID cards, and password information. Experimental results show that the system has easy operation and can realize the function of identify unlocking and access control management well.
Smart Door Lock; RFID; MCU; VB; Access