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regxu
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樓主  發(fā)表于: 2010-09-29 15:57
步進(jìn)電機控制器上面有4個(gè)段子  ENV    +5v  DIR  CP   ,CP是脈沖   DIR換向，+5v是電源，我DIR端子無(wú)論加高電平還是低電平都不能能使步進(jìn)電機換向，請各位大俠幫幫看看，你們是怎么做的
單戀的魚(yú)
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1樓  發(fā)表于: 2010-09-29 16:38
有可能是驅動(dòng)器出問(wèn)題了，還有可能是樓上說(shuō)的問(wèn)題你的低電平不是和+5的地共地的。
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