/*
 * Date:    04/10/2022
 * Title:   LCD 16x2 ESP32
 * Author:  Rubén Lozano
 * 
 * References: 
 *              
*/
/*
 *****************************************************
 *
 *    LIBRERIAS
 *
 *****************************************************
*/
#include "LiquidCrystal.h"  
/*
 *****************************************************
 *
 *    VARIABLES DEFINIDAS.
 *
 *****************************************************
*/
#define RS 19 //PIN D19 o D5
#define EN 18 //PIN D18 o TX2 GPIO17
#define DB4 5 //PIN D5 o RX2 GPIO16
#define DB5 4 //PIN D4
#define DB6 2 //PIN D2
#define DB7 15 //PIN D15

LiquidCrystal lcd(RS, EN, DB4, DB5, DB6, DB7); //INICIALIZACION LCD 16x2

void setup() {
  // set up the LCD's number of columns and rows:
  lcd.begin(16, 2);
  // Print a message to the LCD.
  lcd.print("HOLA MUNDO");
}
 
void loop() {
  // set the cursor to column 0, line 1
  // (note: line 1 is the second row, since counting begins with 0):
  lcd.setCursor(0, 1);
  // print the number of seconds since reset:
  lcd.print(millis() / 1000);
}