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wsx681980
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樓主  發(fā)表于: 2011-06-28 22:45
我買(mǎi)了幾組撥碼開(kāi)關(guān) 來(lái)控制步進(jìn)電機 不知道撥碼開(kāi)關(guān)怎么接線(xiàn) 那位師傅有資料的發(fā)給我看看 謝謝
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請叫我伏特
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1樓  發(fā)表于: 2011-07-03 22:10
首先必須說(shuō)明，撥碼開(kāi)關(guān)是不能直接控制步進(jìn)電機的，要步進(jìn)驅動(dòng)器，而要用撥碼開(kāi)關(guān)控制驅動(dòng)器帶動(dòng)步進(jìn)電機好象不可能
其實(shí)撥碼開(kāi)關(guān)的原理就象電阻的并聯(lián)，數碼8421依次對應1/8，1/4，1/2，1 的阻值，你拆開(kāi)看看就清楚了，或者用萬(wàn)用表也可以測量出來(lái)

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