一般的具有人机对话的单片机系统少不了会有键盘。键盘接口的原理与应用许多的教材都有介绍，但通常各有各的方法，各有各的优劣。
Keyboard Interface and Application of the principle of teaching materials have many, but usually each have their own methods, each have their own merits.
如何将自己的博客文章分享出去相信大家各有各的方法，有的通过在Q群，豆瓣小组或者FEED等来分享自己的…
How to share out his blog post I believe we each have their own ways, some through the Q group, watercress FEED other group or to share their articles…
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