#include "DHT.h"
#define DHTPIN 12 
#define DHTTYPE DHT22
DHT dht(DHTPIN, DHTTYPE);
int buzzer=2;

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

void loop() {
  
  float t = dht.readTemperature();
  Serial.print("Temperature : ");
  Serial.print(t);
  Serial.println("°C");
  if(t>50||t<0)
  
  {
    digitalWrite(buzzer,1);
    Serial.println("Buzzer:ON");
    delay(1000);
  }
  else
  {
    digitalWrite(buzzer,0);
    Serial.println("Buzzer:OFF");
    delay(1000);
  }
  
}