单片机AT89C51矩阵键盘C语言程序答:define uchar unsigned char;uchar distab[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0x88,0x83,0xc6,0xa1,0x86,0x8e,0xff};void delay(unsigned int a){ unsigned int i,j;for(i=0;i<a;i++)for(j=0;j<1000;j++);} uchar kbscan(void){ unsigned char sc...
51单片机,4*4矩阵键盘,八位数码管答:51单片机,4*4矩阵键盘,八位数码管,仿真实例可以参考一下。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,0x...