电子钟，包括单片机At89c51，实现电子的时分秒的功能-A watch design based on MCU，displayed by LC1602,you can set the time namly:year,mounth,date,hour,minents,seconds,use three keys.

6位电子钟单片机驱动程序可实现闹钟 计数 秒表 等功能(The 6 bit electronic clock MCU driver can realize the alarm clock counting stopwatch and so on)