#include "DHT.h"

#define DHTPIN 7     // Digital pin connected to the DHT sensor

#define DHTTYPE DHT11   // DHT 11
#define FAN 17   // DHT 11
#define BULB 16   // DHT 11

DHT dht(DHTPIN, DHTTYPE);

void setup() {
  Serial.begin(9600);
  Serial.println(F("DHTxx test!"));
  pinMode(FAN, OUTPUT);
  pinMode(BULB, OUTPUT);
  dht.begin();
}

void loop() {
  // Wait a few seconds between measurements.
  delay(2000);

  // Reading temperature or humidity takes about 250 milliseconds!
  // Sensor readings may also be up to 2 seconds 'old' (its a very slow sensor)
  float h = dht.readHumidity();
  // Read temperature as Celsius (the default)
  float t = dht.readTemperature();
  // Read temperature as Fahrenheit (isFahrenheit = true)
//  float f = dht.readTemperature(true);

  // Check if any reads failed and exit early (to try again).
  if (isnan(h) || isnan(t)) {
    Serial.println(F("Failed to read from DHT sensor!"));
    return;
  }

 if(t>30 && t<100)
 {
    Serial.print(" Temp above 30, switching FAN ");
    digitalWrite(BULB, LOW);
    digitalWrite(FAN, HIGH);
  }
  else if (t>0 && t<25)
  {
      Serial.print(" Temp below 25, switching bulb ");
     digitalWrite(BULB, HIGH);
    digitalWrite(FAN, LOW);
    }
    else{
       Serial.print(" Temp between 25 and 30, switching both off ");
     digitalWrite(BULB, LOW);
    digitalWrite(FAN, LOW);
    }
  // Compute heat index in Celsius (isFahreheit = false)
  float hic = dht.computeHeatIndex(t, h, false);

  Serial.print(F(" Drugyel Temperature Humidity Readings "));
  Serial.print(F(" Humidity: "));
  Serial.print(h);
  Serial.print(F("%  Temperature: "));
  Serial.print(t);
  Serial.print(F("F  Heat index: "));
  Serial.print(hic);
  Serial.print(F("C "));

  
}