1602液晶滾動顯示

#include<reg52.h>  #include<intrins.h> sbit RS = P2^4;   //定義端口  sbit RW = P2^5; sbit EN = P2^6; #define RS_CLR RS=0  #define RS_SET RS=1 #define RW_CLR RW=0  #define RW_SET RW=1  #define EN_CLR EN=0

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