用IBM－PC机的打印口控制步进电机

Controlling the Step Motor with the Printer Port of a IBM-PC Computer

介绍了一种特别适合于初学者应用的简易的步进电机控制线路及编程方法，它不需要另作接口电路，只是利用ＩＢＭ－ＰＣ机已有的打印机输出口。

In the mechanical and the electrical fields,the step motors,as the machine-toolscontrol and the measurment control,are used. This paper studied an easy step motor control electriccircuit,by using the printer port of IBM-PC. It is suited for the beginner.