说明：  这个是用常见的51系列单片机设计的 控制电机驱动芯片的程序，程序简单适用，而却有些特殊的好处就是，初学者特别好懂！大家赶紧下来看看
(This is common with the design of 51 series single-chip motor driver chip to control the process, the application of simple procedures, and has some special benefits is particularly good for beginners to understand! We rushed down to see)