STM32F4开发板，同时控制电机和灯带联动，电机不动时灯带处于单色变换模式rainbow模式，电机运动时灯带处于多色流水状态rainbowcycle模式；(STM32F4 development board, at the same time control the motor and light band linkage, when the motor is not moving, the light belt is in the monochromatic mode rainbow mod

驱动WS2812彩灯，并实现花样流水灯。(Drive WS2812 color lantern, and realize pattern water lamp.)