#include <DHT.h>
#include <DHT_U.h>

#include "DHT.h"                      

#define DHTPIN 8                       
#define DHTTYPE DHT11                 

DHT dht(DHTPIN, DHTTYPE);              
const int redLED = 9;              

void setup() {
  
  pinMode(redLED, OUTPUT);          
 
  dht.begin();                         
  digitalWrite(redLED,HIGH);       
  
}

void loop() {
  delay(500);                         
  float T = dht.readTemperature();   

  if(T>40){                           
    digitalWrite(redLED, LOW);         
  }

  else if(T<40){                      
    digitalWrite(redLED, HIGH);     
  }
 
}