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樓主  發(fā)表于: 2009-03-15 12:39
請問(wèn)大家有沒(méi)有詳細講解RS485通訊方面的資料或視頻，我想用FX2N的485BD和理化的CD901通訊，不知如何下手，看了些書(shū)但還是不太清楚，請大家指教

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