说明：  流水灯程序，１．在ＣＨ－３实验平台上通过ＬＥＤ０～ＬＥＤ７八位ＬＥＤ发光二极管实现流水灯显示，流水效果为LED灯依次亮起，第二个灯亮时第一个熄灭２．用按键切换产生２种流水效果
(Process water lights, 1. CH-3 in the experimental platform LED0 ~ LED7 through eight light-emitting diode LED lights show the achievement of water, running water followed by the effect of LED lights turn on, and the second when the lights go out the first 2. Key switch with two kinds of water have the effect of)