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嗨,我需要真诚的建议。我有一个项目中,我要控制一个6线单极性步进电机。步进电机控制的GPIO用于旋转天线。它posible使用IC 74LS244和ULN 2003操作步进电机,以及如何? PLS给我一些sugestion,THX ..
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