如何在51单片机矩阵键盘里按一个键可实现数码管动态显示而不是一...答:include<reg51.h>#define uchar unsigned char;uchar distab[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71,0x00}; //0到fvoid delay(unsigned int a){unsigned int i,j;for(i=0;i<a;i++)for(j=0;j<120;j++);}uchar kb...
利用51单片机,用按键和数码管组成一个控制系统,要求四个数码管显示四...答:include<reg51.h> define uchar unsigned char uchar temp;int key1,key,disbuf;// 此表为 LED 的字模 0 1 2 3 4 5 6 7 8 9 a b c d e f unsigned char code LED7Code[] = {0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F,0x77,0x7C,0x39,0x5E,0x79,0x71};...