51单片机两个阳极数码管显示24倒计时怎么显示00答:1、基于51单片机共阴两位数码管显示倒计时#includeunsigned char s=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f;unsigned char count,d1,d2,g,y;signed int time=10; void delay(unsigned char i);void sm()d1=time/10;d2=time%10;P1=sd1;P3=0x00;delay(2);P3=0x01;P1...
怎样用51单片机实现累加计时和倒计时,并用六个共阴极数码管显示出来。用...答:include<reg51.h>unsigned char ledtab[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0x88,0x83,0xc6,0xa1,0x86,0x8e,0xff};unsigned char sec,min,hour,scanled;unsigned char key,mode,time; unsigned char disdat[6];bit upbit;sbit keyu=P3^0;sbit keyd=P3^1;...
51单片机数码管6秒倒计时c语言答:include <reg51.h> define KEY (P1&0x7)define SEG P2 define WEI P3 typedef unsigned char uint8;uint8 sec,min,ct,flag1,flag2;uint8 code dis[16]={0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,// 0 1 2 3 4 5 6 7 0x7F,0x6F,0x77,0x7C,0x39,...