电子万年历作为电子类小设计不仅是市场上的宠儿，也是是单片机实验中一个很常用的题目。因为它的有很好的开放性和可发挥性，因此对作者的要求比较高，不仅考察了对单片机的掌握能力更加强调了对单片机扩展的应用。而且在操作的设计上要力求简洁，功能上尽量齐全，显示界面也要出色。所以，电子万年历无论作为比赛题目还是练习题目都是很有价值。

-Electronic calendar as a small electronics design is not only a market darling, but also single-chip experiment is a very common topic. Because it has a very good open and play, therefore, on the request of the author is relatively high, not only the study of the MCU the ability to handle greater emphasis on the expansion of single-chip applications. But also in the design of the operation to try to be brief, fully functional as far as possible, but also the excellent display. Therefore, the electronic calendar as a game no matter the topic or topics are of great value to practice.