#include "DHT.h"

#define DHTPIN 2     
#define DHTTYPE DHT22   // DHT 22 sensor 

const int l1 = 11;
const int l2 = 9;

DHT dht(DHTPIN, DHTTYPE);

void setup() {
  Serial.begin(115200);
  Serial.println(F("DHT22 example!"));

  dht.begin();
}

void loop() {
  float temperature = dht.readTemperature(); //Temperature
  float humidity = dht.readHumidity();       //Humidity

  // Check if any reads failed 
  if (isnan(temperature) || isnan(humidity)) {
    Serial.println(F("Failed to read from DHT sensor!"));
    return;
  }

  Serial.print(F("Humidity: "));
  Serial.print(humidity);
  Serial.print(F("%  Temperature: "));
  Serial.print(temperature);
  Serial.println(F("°C "));

  
  delay(1000); //Waiting or delay
  if (temperature > 30 && humidity < 30){
      Serial.println("red");
      digitalWrite(l1, HIGH);
      digitalWrite(l2, LOW);
    }
    else{
      digitalWrite(l2, HIGH);
      digitalWrite(l1, LOW);
      Serial.println("green");
    }
}