#include "DHT.h"

#define DHTPIN 11     
#define DHTTYPE DHT22   // DHT 22  (AM2302), AM2321

DHT dht(DHTPIN, DHTTYPE);
const int buzPin = 10;

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

  dht.begin();
}

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

  // Check if any reads failed and exit early (to try again).
  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 "));

  if (temperature > 30)
  {
    Serial.println("High temp detected");
    digitalWrite(buzPin, HIGH);
  }
  if (temperature < 30)
  {
    digitalWrite(buzPin, LOW);
  }

  // Wait a few seconds between measurements.
  delay(2000);
}