AT89S52单片机作为控制系统的主控制器，利用ds1302 时钟芯片计算当前的秒、分、时、日、月、年,通过1602液晶屏友好的人机界面将结果完美的呈现给用户。-AT89S52 microcontroller as the control system of the host controller, using the DS1302 clock chip computing the current seconds, minutes, hours, days, months, years, by 1602 LCD screen friendly interface, the results presented to the user perfectly.