89C52控制1302和18B20和1602的时钟和温度的实时显示，所有数据均可以在1602LCM显示出来,89C52 and 18B20 control 1302 and 1602 the real-time clock and temperature display, all data can be displayed in 1602LCM

DS-1302自带时钟附加闹钟功能的89C52程序-DS-1302 comes with additional alarm clock function 89C52 program

实时时钟 基于单片机89C52 1302 不过 掉电的时候 时间就停止，重新上电后 ，出现的时间为掉电后的时间。-Real-time clock-based microcontroller 89C52 1302, but the power-down when time stops, power on again, time after power-down time.