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kovendanj
Guest
主席先生,我需要我的8051接口与两个I / 0引脚微控制器只如在PC键盘:P3.4和P3.5。只要我需要扫描的6x7键盘,我需要扫描码发送到PC相应任何一个可以帮助我。它非常紧急...
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