Single chip 89S52 microcontroller as the main control chip, peripheral plus buzzer control circuit, open the door indicator light circuit, electric control lock control circuit and 8 bit digital tube display circuit, etc.

基于单片机的门禁系统\code\wiegand.c
....................\sch\P01 CPU.Sch
....................\...\P02 MJ.Sch
....................\...\P03 KEY_LCD.Sch
....................\code
....................\sch
基于单片机的门禁系统

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