This article introduces how to use L297 and L298 building a stepper motor driver circuit , this design can make the hardware simple, software easy and the cost low.

介绍利用L297和L298芯片实现驱动步进电机的一种简单方法，利用该方法设计的步进电机驱动系统具有硬件结构简单、软件编程容易和价格低廉的特点。

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This system has following features:little cost of hardware, simple organization and flexible operation.

本系统具有硬件投入少、组织简便及操作灵活等特点。

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The programme can operate on a computer with relatively simple hardware specifications.

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Software over hardware is the simple axiom presented by analysts at Gartner.

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