#include <DHT.h> 
DHT dht(15,DHT22); 
int threshold = 40; 
int buz = 14; void setup(){ 
  pinMode(buz, OUTPUT); 
  Serial.begin(9600); 
  dht.begin(); 
  } void loop(){ 
    float h = dht.readHumidity(); 
    float t = dht.readTemperature(); 
    if(isnan(h) || isnan(t)){ return; 
    } Serial.print("Humidity = "); 
    Serial.println(h); 
    Serial.print("Temperature = "); 
    Serial.println(t); 
    if( t>threshold){ 
      Serial.println("High Temperature"); 
      digitalWrite(buz,1); 
      } 
      else{ 
        Serial.println("Normal Temperature"); 
        digitalWrite(buz,0); 
    } 
  }