步进电机应用广泛，本代码介绍了步进电机的各种常用驱动方法：1相激磁法，2相激磁法等。看看，绝对经典哦。-Stepper motor applications, the code introduced a variety of common stepper motor-driven approach:1-phase excitation method,2 phase excitation law. Take a look at,oh,absolutely classic.