In this paper, microcontroller, stepper motor driver chips, character LCD and keypad array, build a set of stepper motor controller and driver as one of the stepping motor control system.

本文应用单片机、步进电机驱动芯片、字符型LCD和键盘阵列，构建了集步进电机控制器和驱动器为一体的步进电机控制系统。

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The paper mainly put forward a new control method of stepping motor which character-, ized by equal-stepped fine division, and then design a constant frequency PWM driver circuit.

提出一种等步距角的细分控制方法，并据此设计了恒频脉宽调制细分电路。

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And, you know, I'd say the coolest part about acting is that I'm totally stepping outside of my character.

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