单片机是一个充满想象力的世界，也是一个让人陶醉的世界，我们学习它已经不是为了简单的获取知识，而是一种自我创造的开始。如果我们以前不知道学习有何用处，那么现在你的知识、你的想象力将会得到最大的发挥。让我们一起去感受这个奇妙的世界。

　　就从实验室的实验板开始说起，我们要做好一个事情总要从一个最简单的事情开始。下面从实验板上蜂鸣器的实验（让蜂鸣器每隔两秒钟响停一次）开始。

-SCM is an imaginative world, but also a world of intoxicated people, we learn that it has not for the simple acquisition of knowledge, but a beginning self-creation. If we did not know the usefulness of learning, so now your knowledge, your imagination will get the most of it. Let us work together to experience this wonderful world. From laboratory experiments on board to begin with, we always want to do a thing from one of the most simple things started. The following experiments from the experiments on-board buzzer (bell rings to stop the buzzer once every two seconds) start.