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joeq68
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樓主  發(fā)表于: 2016-11-16 20:07
利用脈沖接步進(jìn)電機驅動(dòng)器控制步進(jìn)電機，電機不轉，手動(dòng)用用一個(gè)5V的正極模擬脈沖就能轉。脈沖有輸出，但是把頻率放低之后測得高低電平的壓差只有0.5，COM端接了5v+，這樣沒(méi)法時(shí)不進(jìn)電機轉動(dòng)啊，是不是因為電壓差太小了，對于步進(jìn)電機驅動(dòng)器來(lái)說(shuō)，跟沒(méi)脈沖一啊，這樣怎么解決，請問(wèn)你們的脈沖高低電平的壓差是多大，求賜教！多謝。
xinpingliu
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1樓  發(fā)表于: 2016-11-29 11:43
多思考多動(dòng)腦，這些東西自然不在話(huà)下。

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