说明：  液晶1602万年历显示 ① 利用单片机内定时器，通过软件编程方式实现年、月、日、星期、时、分、秒7个参数的运行。 ② 按大、小月显示月末日期。 ③按24小时制显示时、分、秒。 ④通过2个外接独立键盘实现对“万年历”的日期和的时间调整。
(602 liquid crystal display calendar The use of single-chip microcomputer timer, through software programming to achieve the year, month, day, week, hours, minutes, seconds, 7 parameters of the operation. According to the end date, Xiaoyue display. According to the 24 hour system shows hours, minutes, seconds. Through the 2 external independent keyboard implementation date and time adjustment of calendar .)