基于51系列单片机AT89C51为核心，利用集成芯片ULN2803作为电机驱动，设计出一个步进电机。使其能够进行正转、反转、加速、减速、停止等功能。描述系统硬件工作原理，并附以系统结构框图加以说明。详细阐述程序的各个模块和实现方法。以数字集成电路技术为基础，单片机技术为核心；以单片机语言进行软件设计，为了便于扩展和更改，软件的设计采用模块化结构。

带AT下载口-Based on 51 series microcontroller AT89C51 as the core, the use of integrated chip ULN2803 as a motor, a stepper motor design.

Enable it to carry forward, reverse, speed up, slow down, stop and other functions. Describes the system hardware works, accompanied by a system architecture

Diagram to illustrate this. Detailed procedures and implementation methods of each module. Digital integrated circuit technology, chip technology

As the core　the microcontroller software design languages​ ​ , in order to facilitate the expansion and change, the software is designed with modular structure.

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