1、主控芯片：STC89C52

2、时钟芯片：DS1302

3、能够显示时、分、秒、年、月、日、星期

4、具有对时、分、秒、年、月、日、星期进行手动调节效对功能

5、具有单片机断电记忆功能，在单片机掉电后无需重新设置时间和日期

6、时间显示采用LCD1602 液晶显示屏

-1, the main chip: STC89C52

2, the clock chip: DS1302

3, can display hours, minutes, seconds, year, month, day, week

4, having, minutes, seconds, year, month, day, week effect for manual adjustment function

5, having a single-chip power and memory function, without re-set the time and date after the device is powered down

6, the time display using LCD1602 LCD