//Agregamos ls librerias de cristal liquido
#include <LiquidCrystal.h>
#include <DHT.h>
#define DHTTYPE DHT22
#define DHTPIN 8
DHT dht (DHTPIN, DHTTYPE);
int rele = 32;
int buzzer = 33;
int sensor = 26;
LiquidCrystal lcd(22,23,5,18,19,21);
byte grado [8]=
{
B00110,
B01001,
B00000,
B00000,
B00000,
B00000,
B00000,

};

void setup()
{
  Serial.begin(9600);
  lcd.createChar(1, grado);
  dht.begin();
  lcd.begin(16,2);
  pinMode(rele, OUTPUT);
  pinMode(buzzer, OUTPUT);
   pinMode(sensor, INPUT);
}

void loop()
{
int t= dht.readTemperature();
int h= dht.readHumidity();
if(t < 30)
{
   digitalWrite(buzzer, LOW);
   lcd.setCursor(0,0);
   lcd.print("TEMPERATURA");
   lcd.print(t);
   lcd.write(byte(1));
   lcd.print("C");
  Serial.print("Temperatura");
  Serial.print(t);
  Serial.print("°C");

  lcd.setCursor(0,1);
  lcd.print("Humedad");
   lcd.print(h);
   lcd.print("%");
    Serial.print("\tHumedad");
  Serial.print(h);
  Serial.print("%\n");
   delay(1000);
}
else
    {
   lcd.clear();
   lcd.display();
   lcd.setCursor(1,0);
   lcd.print("PELIGRO ALERTA");
   lcd.setCursor(2,1);
   lcd.print("CALENTAMIENTO");
   digitalWrite(rele, HIGH);
   tone(buzzer, 150);
   delay(500);
   lcd.noDisplay();
   digitalWrite(rele, LOW);
   noTone(buzzer);
  delay(500);
  lcd.display();
  Serial.print("ALERTA PELIGRO\N");
 
    }
}