//Libraries
#include <DHT.h>;

//Constants
#define DHTPIN 7     // what pin we're connected to
#define DHTTYPE DHT22   // DHT 22  (AM2302)
DHT dht(DHTPIN, DHTTYPE); //// Initialize DHT sensor for normal 16mhz Arduino


//Variables
int chk;
float hum;  //Stores humidity value
float temp; //Stores temperature value
int led = 12;

void setup()
{
  pinMode (led, OUTPUT);
  Serial.begin(9600);
  dht.begin();
}

void loop()
{
    delay(2000);
    //Read data and store it to variables hum and temp
    hum = dht.readHumidity();
    temp= dht.readTemperature();
    //Print temp and humidity values to serial monitor
    Serial.print("Humidity: ");
    Serial.print(hum);
    Serial.print("%, Temp: ");
    Serial.print(temp);
    Serial.println(" Celsius");
    if (temp <= 45)
    {
      digitalWrite (led, HIGH);
    }
    else{
      digitalWrite(led, LOW);
    }
    delay(1000); //Delay 1 sec.
}