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驅(qū)動串行

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74hc595驅(qū)動串行l(wèi)ed顯示

串行驅(qū)動LED顯示//一個74hc595位移寄存器驅(qū)動三極管驅(qū)動led位，//兩個74hc595驅(qū)動led段，方式位5位x8段x2=10個數(shù)碼管//5分頻，每次掃描時間位1.25ms//定義特殊符號#define

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2018-01-23

74hc595 led顯示驅(qū)動開發(fā) 驅(qū)動串行

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