itejation

代码说明：

  这是一个三色灯变换花色,并且大部分是渐变慢慢变亮与变暗,并且需要几十个这种IC组成一幅大图时,需要几十个IC同步工作,(This is a trichromatic light to change colors, and most of it is gradually becoming brighter and darker, and when dozens of such IC are needed to form a large picture, it takes dozens of IC to work synchronously.)