步进电机作为在工业控制中的执行元件，越来越发挥着重要的作用，本程序就是针对步进电机的控制，以及对通过LCD显示程序。希望大学借鉴。-Stepper motor, as in the implementation of industrial control components, play an increasingly important role, this program is for stepper motor control, as well as through the LCD dis