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拨码开关如何使用？

发布日期：2018-11-11 浏览次数: 5717

首先必须说明，拨码开关是不能直接控制步进电机的，要步进驱动器，而要用拨码开关控制驱动器带动步进电机好象不可能其实拨码开关的原理就象电阻的并联，数码8421依次对应1/8，1/4，1/2，1 的阻值，你拆开看看就清楚了，或者用万用表也可以测量出来