基于 51 单片机的 DHT11 温湿度传感器#include#include#define uchar unsigned char#define uint unsigned intsbit dth=P1^0;sbit dula=P2^6;sbit wela=P2^7;uchar s8h,s8h_temp,s8l,s8l_temp,w8h,w8h_temp,w8l,w8l_temp,check8,check8_temp,flag=0;float sd,wd;uchar code table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0xbf,0x86,0xdb,0xcf,0xe6,0xed,0xfd,0x87,0xff,0xef};void delayms(uint z){uint x,y;for(x=z;x>0;x--)for(y=110;y>0;y--);}void Delay_10us() //进入函数 3us{ uchar i; //每条语句 1us i--; i--; i--; i--; i--; i--;}void display(uchar th,uchar tl){uchar ih=0,il=0,jh=0,jl=0,kh=0,kl=0;ih=th/100;jh=th%100/10;kh=th%10;il=tl/100;jl=tl%100/10;kl=tl%10;P0=0xfe;wela=1;wela=0;P0=table[ih];dula=1;dula=0; delayms(2);P0=0xfd;wela=1;wela=0;P0=table[jh];dula=1;dula=0;delayms(2);P0=0xfb;wela=1;wela=0;P0=table[kh+10];dula=1;dula
