#include <DHT.h>
#include <LiquidCrystal_I2C.h>

#define TemPino A3
#define Tipo DHT22

DHT sensor(TemPino, Tipo);

// C++ code

void setup()
{
  sensor.begin();
  Serial.begin(9600);
  pinMode(5, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(3, OUTPUT);
}
void loop() {
  float h = sensor.readHumidity();
  float t = sensor.readTemperature();
  Serial.print("Temperatura: ");
  Serial.println(t);
  String H = String(h,1);
  String T = String(t,1);
  delay(300);

  digitalWrite(5, LOW);
  digitalWrite(4, LOW);
  digitalWrite(3, LOW);

  if (t < 10.00 ){
  digitalWrite(5, LOW);
  digitalWrite(4, LOW);
  digitalWrite(3, LOW);
  }
  if (t < 20.00 ){
  digitalWrite(5, HIGH);
  digitalWrite(4, LOW);
  digitalWrite(3, LOW);
  }
   if (t < 30.00 ){
  digitalWrite(5, HIGH);
  digitalWrite(4, HIGH);
  digitalWrite(3, LOW);
  }
   if (t < 40.00 ){
  digitalWrite(5, HIGH);
  digitalWrite(4, HIGH);
  digitalWrite(3, HIGH);
  }
}