#include "DHT.h"

#define DHTPIN 25
#define DHTTYPE DHT22

int led = 18;

DHT dht(DHTPIN, DHTTYPE); 

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  dht.begin();
  pinMode(led, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  float temperature = dht.readTemperature();
  float humidity = dht.readHumidity();

  if (isnan(temperature) || isnan(humidity)) {
    Serial.println("Failed to read from sensor");
  }
  else {

    if (temperature < 20){
      digitalWrite(led, HIGH);
    }
    else {
      digitalWrite(led, LOW);
    }
    Serial.print("Temperature: ");
    Serial.println(temperature);

    Serial.print("Humidity: ");
    Serial.print(humidity);
    Serial.println("%");
  }
  delay(1000); // this speeds up the simulation
}