// C++ code
//
#include <LiquidCrystal.h>
#include <DHT.h>

#define DHTTYPE DHT22 

#define I2C_ADDR    0x27
#define LCD_COLUMNS 20
#define LCD_LINES   4
LiquidCrystal lcd_1(12, 11, 10, 9, 8, 7);

const int DHTPin = 5;    
DHT dht(DHTPin, DHTTYPE);

void setup()
{
  Serial.begin(9600);

Serial.println("DHT22 test!"); //Hay que cambiarlo por el 11
  dht.begin();

  lcd_1.begin(20, 4);

}

void loop()
{

delay(2000);


  float h = dht.readHumidity();
  float t = dht.readTemperature();

  if (isnan(h) || isnan(t)) {
    Serial.println("Failed to read from DHT sensor!");
    return;
  }

  Serial.print("Hum: ");
  Serial.print(h);
  Serial.print(" %\t");
  Serial.print("Temp: ");
  Serial.print(t);
  Serial.print(" *C ");
  Serial.println();

  lcd_1.setCursor(0, 0);  
  lcd_1.print("Hum: ");
  lcd_1.print(h);
  lcd_1.print(" %");
  lcd_1.setCursor(0, 1);
  lcd_1.print("Temp:");
  lcd_1.print(t);
  lcd_1.print("*C "); // ¿Por qué se pone una doble C cuando se cambia la temperatura?

}
//https://www.luisllamas.es/arduino-dht11-dht22/
//https://docs.wokwi.com/parts/wokwi-lcd1602#attributes
//datalogger: https://panamahitek.com/exportar-datos-de-sensores-desde-arduino-a-excel/