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692326512
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樓主  發(fā)表于: 2013-08-11 10:37
224晶體管帶步進(jìn)，Q0.0-Q0.7都是一個(gè)公共點(diǎn)。問(wèn)題來(lái)了，步進(jìn)驅動(dòng)器脈沖輸入不能超過(guò)直流5V。這樣的話(huà)我公共點(diǎn)接5V的0V，那是后面Q0.2-Q0.7輸出不都是5v的0v。這樣的話(huà)我是不是可以把24直流的0V也接在公共點(diǎn)上。這樣就能解決問(wèn)題了。問(wèn)下對不對 會(huì )不會(huì )出現問(wèn)題

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