#include<DHT.h>
#define DHTPIN 11          
#define DHTTYPE DHT22      
DHT dht(DHTPIN, DHTTYPE);

void setup() {
  Serial.begin(9600);   
  pinMode(3, OUTPUT);              
  Serial.println("DHTxx test!");   
  dht.begin();
}

void loop() {
  delay(2000);
  float h = dht.readHumidity();              
  float t = dht.readTemperature();           
  float f = dht.readTemperature(true);       


if (isnan(h) || isnan(t) || isnan(f)) {
    Serial.println(F("Failed to read from DHT sensor!"));
    return;
  }
   
  if(t>75 || h>40) {
    digitalWrite(3, HIGH);
  }
  else{
    digitalWrite(3, LOW);
  }
}