#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#define i2caddr 0x27

LiquidCrystal_I2C lcd(i2caddr, 16, 2);
int col = 0;
int row = 0;
bool back = false;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  lcd.init();
  lcd.clear();
  lcd.backlight();
}

void loop() {
  String message = "HOLIS!";
  String messagef = "FIJO!";
  int msglen = message.length();



  lcd.clear();
  if (col < 16 - msglen && !back) col++;
  else if(col >= 16- msglen) back = true;
  if (col > 0 && back) col--;
  else if (col <= 0) back = false;
  lcd.setCursor(col,0);
  lcd.print(message);
  lcd.setCursor(0,1);
  lcd.print(messagef);


  delay(100); // this speeds up the simulation
  
}