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shizhong
- 电子时钟,没有使用时钟芯片,全部用单片机编程实现,已经实现基本功能,可以显示时间,日期,星期等,并用四个按键设置时间等-Electronic clock, the clock chip is not used, all with a microcontroller programming, the basic function has been achieved, can display time, date, week, etc., and set the time with four but