如何把dht11温度数据显示在16824液晶显示屏上

看在没有积分奖励的份上发你一个吧。

# -*- coding: utf-8 -*-
"""
Created on Sun Jan 26 14:24:43 2014

@author: pi
"""

import RPi.GPIO as gpio
import time
gpio.setwarnings(False)
gpio.setmode(gpio.BOARD)
time.sleep(1)
data=[]
def delay(i): #20*i usdelay
    a=0
    for j in range(i):
        a+1
j=0
#start work
gpio.setup(12,gpio.OUT)
#gpio.output(12,gpio.HIGH)
#delay(10)
gpio.output(12,gpio.LOW)
time.sleep(0.02)
gpio.output(12,gpio.HIGH)
i=1
i=1

#wait to response
gpio.setup(12,gpio.IN)


while gpio.input(12)==1:
    continue


while gpio.input(12)==0:
    continue

while gpio.input(12)==1:
        continue
#get data

while j<40:
    k=0
    while gpio.input(12)==0:
        continue
   
    while gpio.input(12)==1:
        k+=1
        if k>100:break
    if k<3:
        data.append(0)
    else:
        data.append(1)
    j+=1

print "Sensor is working"
#get temperature
humidity_bit=data[0:8]
humidity_point_bit=data[8:16]
temperature_bit=data[16:24]
temperature_point_bit=data[24:32]
check_bit=data[32:40]

humidity=0
humidity_point=0
temperature=0
temperature_point=0
check=0



for i in range(8):
    humidity+=humidity_bit[i]*2**(7-i)
    humidity_point+=humidity_point_bit[i]*2**(7-i)
    temperature+=temperature_bit[i]*2**(7-i)
    temperature_point+=temperature_point_bit[i]*2**(7-i)
    check+=check_bit[i]*2**(7-i)

tmp=humidity+humidity_point+temperature+temperature_point
if check==tmp:
    print "temperature is ", temperature,"wet is ",humidity,"%"
else:
    print "something is worong the humidity,humidity_point,temperature,temperature_point,check is",humidity,humidity_point,temperature,temperature_point,check

LCD  Arduino
PIN1 = GND
PIN2 = 5V
RS(CS) = 8;
RW(SID)= 9;
EN(CLK) = 3;
PIN15 PSB = GND;
*/
#include
#include
#include
#define ONE_WIRE_BUS 2
#include "LCD12864RSPI.h"
#define AR_SIZE( a ) sizeof( a ) / sizeof( a[0] )

OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature sensors(&oneWire);

char str[4]; //定义温度值存储数组，4位，其中3位为数字，1位为小数点
double temp =0; //定义中间变量，用于将获取的float型温度值转变为unsigned char数组
unsigned char show[]={
  0xB5,0xB1,0xC7,0xB0,0xBB,0xB7,0xBE,0xB3,0xCE,0xC2,0xB6,0xC8};//当前环境温度
int numberOfDevices;
void setup()
{
  Serial.begin(9600);
  sensors.begin(); //传感器初始化
  numberOfDevices = sensors.getDeviceCount();
  LCDA.Initialise(); // 屏幕初始化
  LCDA.DisplayString(0,0,show,AR_SIZE(show));//第一行第1格开始，显示文字“当前环境温度”
}

void loop()
{
  sensors.requestTemperatures(); //获取温度值
  for(int i=0;i   {
    temp=sensors.getTempCByIndex(i); //使用索引序号获得摄氏度数值
    dtostrf(temp,4,2,str);  //将获取的数值转换为字符型数组
    if (i<=2)
    {
      LCDA.DisplayString(1,i*3,(unsigned char *)str,sizeof(str));
    } //自第2行第1列开始显示温度值
    else
    {
      if(i>2&&i<=5)
      {
      LCDA.DisplayString(2,(i-3)*3,(unsigned char *)str,sizeof(str));
      }
      else
      {
      LCDA.DisplayString(3,(i-6)*3,(unsigned char *)str,sizeof(str));  
      }
    }
  }
}

LCD  Arduino
PIN1 = GND
PIN2 = 5V
RS(CS) = 8;
RW(SID)= 9;
EN(CLK) = 3;
PIN15 PSB = GND;
*/
#include
#include
#include
#define ONE_WIRE_BUS 2
#include "LCD12864RSPI.h"
#define AR_SIZE( a ) sizeof( a ) / sizeof( a[0] )

OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature sensors(&oneWire);

char str[4]; //定义温度值存储数组，4位，其中3位为数字，1位为小数点
double temp =0; //定义中间变量，用于将获取的float型温度值转变为unsigned char数组
unsigned char show[]={
  0xB5,0xB1,0xC7,0xB0,0xBB,0xB7,0xBE,0xB3,0xCE,0xC2,0xB6,0xC8};//当前环境温度
int numberOfDevices;
void setup()
{
  Serial.begin(9600);
  sensors.begin(); //传感器初始化
  numberOfDevices = sensors.getDeviceCount();
  LCDA.Initialise(); // 屏幕初始化
  LCDA.DisplayString(0,0,show,AR_SIZE(show));//第一行第1格开始，显示文字“当前环境温度”
}

void loop()
{
  sensors.requestTemperatures(); //获取温度值
  for(int i=0;i   {
    temp=sensors.getTempCByIndex(i); //使用索引序号获得摄氏度数值
    dtostrf(temp,4,2,str);  //将获取的数值转换为字符型数组
    if (i<=2)
    {
      LCDA.DisplayString(1,i*3,(unsigned char *)str,sizeof(str));
    } //自第2行第1列开始显示温度值
    else
    {
      if(i>2&&i<=5)
      {
      LCDA.DisplayString(2,(i-3)*3,(unsigned char *)str,sizeof(str));
      }
      else
      {
      LCDA.DisplayString(3,(i-6)*3,(unsigned char *)str,sizeof(str));  
      }
    }
  }按上述程序即可，我已经通过测试。