用嵌入式知识设计一个定时提醒的闹钟，也可显示时分秒，年月日-With embedded knowledge to design a regular reminder of the alarm clock, can also be displayed every minute, year, month day

本书讲述的是从windows到linux的学习资料。本教程适用于：Linux爱好者。（感谢岳海 、郭守华、宋雪娇、陈纯、月下刀客、冷风等原创作者） 。传承经典给广大Linux初学者重新洗牌。 　　不再沉默，让我们一起学习Linux。立即告别Linux初学者进入中级、高级阶段。-This story is from windows to linux study materials. This tutorial applies to: Linux enthusiasts. (Sense X

Calendar实时时钟RTC与农历年月日-Real-time Calendar clock RTC and lunar (date) (month) (year)

ARM处理器上开发的一个实时时钟程序，能显示相对实时的年、月、日、时、分、秒。通过串口打印，波特率115200.-ARM processor developed a real-time clock program that can display real-time relative to the year, month, day, hour, minute, second. Print through the serial port baud rate 115200.