#include <SPI.h> 
  #include <MySensor.h>   
  #include <DHT.h>   
   
  #define CHILD_ID_HUM 0 
  #define CHILD_ID_TEMP 1 
  #define HUMIDITY_SENSOR_DIGITAL_PIN 3 
  unsigned long SLEEP_TIME = 30000; // Sleep time between reads (in milliseconds) 
   
  MySensor gw; 
  DHT dht; 
  float lastTemp; 
  float lastHum; 
  boolean metric = true;  
  MyMessage msgHum(CHILD_ID_HUM, V_HUM); 
  MyMessage msgTemp(CHILD_ID_TEMP, V_TEMP); 
   
   
  void setup()   
  {  
    gw.begin(); 
    dht.setup(HUMIDITY_SENSOR_DIGITAL_PIN);  
   
    // Send the Sketch Version Information to the Gateway 
    gw.sendSketchInfo("Humidity", "1.0"); 
   
    // Register all sensors to gw (they will be created as child devices) 
    gw.present(CHILD_ID_HUM, S_HUM); 
    gw.present(CHILD_ID_TEMP, S_TEMP); 
     
    metric = gw.getConfig().isMetric; 
  } 
   
  void loop()       
  {   
    delay(dht.getMinimumSamplingPeriod()); 
   
    float temperature = dht.getTemperature(); 
    if (isnan(temperature)) { 
        Serial.println("Failed reading temperature from DHT"); 
    } else if (temperature != lastTemp) { 
      lastTemp = temperature; 
      if (!metric) { 
        temperature = dht.toFahrenheit(temperature); 
      } 
      gw.send(msgTemp.set(temperature, 1)); 
      Serial.print("T: "); 
      Serial.println(temperature); 
    } 
     
    float humidity = dht.getHumidity(); 
    if (isnan(humidity)) { 
        Serial.println("Failed reading humidity from DHT"); 
    } else if (humidity != lastHum) { 
        lastHum = humidity; 
        gw.send(msgHum.set(humidity, 1)); 
        Serial.print("H: "); 
        Serial.println(humidity); 
    } 
   
    gw.sleep(SLEEP_TIME); //sleep a bit 
  } 
  

 /* 
   V1.0 - first version 
    
   Created by Igor Jarc <igor.jarc1@gmail.com> 
   Seehttp://iot-playground.com for details 
    
   This program is free software; you can redistribute it and/or 
   modify it under the terms of the GNU General Public License 
   version 2 as published by the Free Software Foundation. 
   */ 
  #include <Esp8266EasyIoT.h> 
  #include <SoftwareSerial.h>  
  #include <DHT.h>   
   
  #define CHILD_ID_HUM 0 
  #define CHILD_ID_TEMP 1 
  #define HUMIDITY_SENSOR_DIGITAL_PIN 2 
   
   
  Esp8266EasyIoT esp;  
   
  SoftwareSerial serialEsp(10, 11); 
   
   
  DHT dht; 
  float lastTemp; 
  float lastHum; 
   
  Esp8266EasyIoTMsg msgHum(CHILD_ID_HUM, V_HUM); 
  Esp8266EasyIoTMsg msgTemp(CHILD_ID_TEMP, V_TEMP); 
   
   
  void setup() 
  { 
    serialEsp.begin(9600); 
    Serial.begin(115200);   
   
    Serial.println("EasyIoTEsp init"); 
   
   
    esp.begin(NULL, 3, &serialEsp, &Serial); 
    //esp.begin(NULL, &serialEsp); 
    dht.setup(HUMIDITY_SENSOR_DIGITAL_PIN);  
   
    pinMode(13, OUTPUT); 
   
  //  Serial.println("present S_HUM"); 
    esp.present(CHILD_ID_HUM, S_HUM); 
   
  //  Serial.println("present S_TEMP"); 
    esp.present(CHILD_ID_TEMP, S_TEMP); 
   
  } 
   
  void loop() 
  {   
    while(!esp.process()); 
   
    delay(dht.getMinimumSamplingPeriod()); 
   
    while(!esp.process()); 
   
    float temperature = dht.getTemperature(); 
    if (isnan(temperature)) { 
      Serial.println("Failed reading temperature from DHT"); 
    }  
    else if (temperature != lastTemp)  
    { 
      lastTemp = temperature; 
      esp.send(msgTemp.set(temperature, 1)); 
      Serial.print("T: "); 
      Serial.println(temperature); 
    } 
   
    float humidity = dht.getHumidity(); 
    if (isnan(humidity)) { 
      Serial.println("Failed reading humidity from DHT"); 
    }  
    else if (humidity != lastHum)  
    { 
      lastHum = humidity; 
      esp.send(msgHum.set(humidity, 1)); 
      Serial.print("H: "); 
      Serial.println(humidity); 
    } 
  }