WS2812B的驱动，采用STC15W401AS作为硬件环境，27MHz-WS2812B driver, using STC15W401AS as the hardware environment, 27MHz

实现WS2812小灯控制，PWM口直接对接(Realize WS2812 small lamp control, direct docking of PWM port)

Arduino 节奏灯： 1、麦克风 2、WS2812B 全彩LED 麦克风获取音频，WS2812B 根据声音的频率高低发出不同的亮度。类似酒吧的音乐节奏灯效果(Arduino rhythm light: 1.Microphone 2.WS2812B full color LED The microphone gets audio, and the WS2812B emits different brightness according to the frequency of the sound