clima

#include <ESP8266WiFi.h>
#include "DHT.h"             
const char* ssid     = "Your SSID"; 
const char* password = "Your password";
const int sleepTimeS = 600; //18000 for Half hour

#define DHTPIN          2   
#define DHTTYPE DHT11                                 
char server [] = "weatherstation.wunderground.com";  
char WEBPAGE [] = "GET /weatherstation/updateweatherstation.php?";
char ID [] = "Your weather station ID";
char PASSWORD [] = "Your password";

DHT dht(DHTPIN, DHTTYPE);               

void setup(){
 Serial.begin(9600);
  dht.begin();
  delay(1000);
  Serial.println();
  Serial.print("Connecting to ");
  Serial.println(ssid);
  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED) {
  delay(500);
  Serial.print(".");
  }
}

void loop(){  
  //Get sensor data
  float tempc = dht.readTemperature(); 
  float tempf =  (tempc * 9.0)/ 5.0 + 32.0; 
  float humidity = dht.readHumidity(); 
  float dewptf = (dewPoint(tempf, dht.readHumidity())); 
  //check sensor data
  Serial.println("+++++++++++++++++++++++++");
  Serial.print("tempF= ");
  Serial.print(tempf);
  Serial.println(" *F");
  Serial.print("tempC= ");
  Serial.print(tempc);
  Serial.println(" *C");
  Serial.print("dew point= ");
  Serial.println(dewptf);
  Serial.print("humidity= ");
  Serial.println(humidity);
  //Send data to Weather Underground
  Serial.print("connecting to ");
  Serial.println(server);
  WiFiClient client;
  if (!client.connect(server, 80)) {
    Serial.println("Conection Fail");
    return;
  }
    client.print(WEBPAGE); 
    client.print("ID=");
    client.print(ID);
    client.print("&PASSWORD=");
    client.print(PASSWORD);
    client.print("&dateutc=");
    client.print("now");    
    client.print("&tempf=");
    client.print(tempf);
    client.print("&dewptf=");
    client.print(dewptf);
    client.print("&humidity=");
    client.print(humidity);
    client.print("&softwaretype=ESP%208266O%20version1&action=updateraw&realtime=1&rtfreq=2.5");
    client.println();
    delay(2500); 
    sleepMode();    

}


double dewPoint(double tempf, double humidity)
{
  double A0= 373.15/(273.15 + tempf);
  double SUM = -7.90298 * (A0-1);
  SUM += 5.02808 * log10(A0);
  SUM += -1.3816e-7 * (pow(10, (11.344*(1-1/A0)))-1) ;
  SUM += 8.1328e-3 * (pow(10,(-3.49149*(A0-1)))-1) ;
  SUM += log10(1013.246);
  double VP = pow(10, SUM-3) * humidity;
  double T = log(VP/0.61078);   
  return (241.88 * T) / (17.558-T);
}

void sleepMode(){
  Serial.print(F("Sleeping..."));
  ESP.deepSleep(sleepTimeS * 1000000);
}