51单片机如何利用4个七段数码管采用动态显示显示4位数字,如2035_百度...答:unsigned char table[]= {0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xa7};//表:共阳数码管 0 1 2 3 4 5 6 7 8 9 c //延时子函数,短暂延时 void delay56(){ unsigned char i56=210;while(i56--);} void display56(){ P0=tab...
求救,单片机c51 用四位七段数码管动态显示一个数字,怎么不行呢...答:你图里的LED数码管是共阴的接法,当P2口的某位置1时相应的段点亮。unsigned char code dcode[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xff};上面的段码是无法得到正确的显示,改为如下就可以了:unsigned char code dcode[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d...