说明：  适合刚开始学习单片机SCM的人们进行的几个试验，包括闪闪烁灯，模拟开关灯，报警器，动态数码管显示等初步的实验。
(For just getting started learning the SCM SCM people carried out several tests, including the preliminary experimental flash flashing lights, analog switches, lights, alarms, dynamic digital tube display.)