利用DS1302和AT89S51单片机制作的电子时钟，有详细的使用说明。 -AT89S51 microcontroller using DS1302 and production of electronic clock, with detailed instructions.

51单片机控制的，电子时钟，万年历，可以显示年月日时分秒、星期、时间日期设置、闹钟设置、并且带有proteus仿真图和c程序。ds1302、lcd1602、蜂鸣器等零件。-51 single-chip control, electronic clock, calendar, you can display the month, day, every minute, day of the week, the date and time settings, alarm settings, and w

51单片机，电子时钟，有闹钟设定及时间修改，ds1302-51 single-chip electronic clock, alarm settings and time modify, ds1302

通过ds1302及单片机at89c51，实现对电子时钟的现实与调试，-By the ds1302 and microcontroller at89c51 reality with the commissioning of the electronic clock, ha ha

基于51单片机的电子万年历，采用DS1302作为时钟芯片，矩阵键盘调整时间日期，带农历显示功能，有一个闹钟，闹钟采用AT24C02掉电存储。-Based on 51 single-chip electronic calendar, used as a clock chip DS1302, matrix keyboard to adjust the date and time with calendar display function, an alarm clock, alarm clock u