#include <Wire.h> 
#include <LiquidCrystal_I2C.h>
char frase1[16] = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
char frase2[16] = "igor boboca";
int cont = 0;
LiquidCrystal_I2C lcd(0x27,16,2);  

void setup()
{
  lcd.init(); //para ligar o display / lcd.clear() para apagar display
  
  // Print a message to the LCD.
  lcd.backlight();
  lcd.setCursor(0,1); //caracter / linha
  lcd.print(frase1);
  
  delay(2000); //tempo de espera
  
  lcd.clear();
  lcd.setCursor(0,1);
  lcd.print(frase2);

} 


void loop()
{
  lcd.setCursor(2,1);
  lcd.print(cont);
  delay(100);
  cont++;
}