用51单片机控制实时时钟芯片DS1302，显示小时，分，钟，秒，天等-51 single-chip control with real-time clock chip DS1302, show hours, minutes, seconds, days, etc.

12864液晶屏源程序(已经调试通过) “祝你平安”源程序 PCF8563 I2C 实时时钟日历芯片 红外线遥控器软件解码原理和程序（C） DS12887时钟芯片应用 多媒体音响遥控器控制程式-12864 LCD source (already debugged) " I wish you peace," the source PCF8563 I2C real time clock calendar chip infrared remote control

串口时钟。实现向串口发送实时时钟数据。时间可以随时校准-Serial clock. Send real-time data to achieve the serial clock. Time can always calibrate