51密码锁 #include #include"intrins.h" #include"key.h" #include"xsh.h" #include"24c02.h" #define ulong unsigned long bit BJCB=0;//报警标志 XG=0,//修改密码标志位 BJ=0,//报警标志位 SJ=0;//锁键盘标志位

AT89C51/52单片机模拟I2C总线，驱动1k的EEPROM存储芯片24C02的程序，已经封装好，直接在工程中添加24C02.C文件，并且在主函数中#include 24C02.H-AT89C51/52 chip analog I2C bus, the driver chip 24C02 1k of EEPROM program memory, has a good package, add 24C02.C directly in the project file, and in the m

51单片机24c02驱动，封装成.h头文件，可调用-51 single chip microcomputer 24c02driver, good packaging, can be invoked