说明：  1602液晶显示DS1302+S51时钟+温度显示 源程序，不用我多少了，程序用C语言写成，方便移植，程序结构很清楚。
(1602 DS1302 S51 LCD temperature display clock source, I do not have the number, procedures written in C language to facilitate the transplant program structure is very clear.)