#include "Wire.h"
#include "LiquidCrystal_I2C.h"
LiquidCrystal_I2C lcd(0x27, 16, 2);
int led1=13;
int pulsador=1;
int val = 0; 

void setup() {
pinMode(led1, OUTPUT);
pinMode(pulsador, INPUT);
lcd.init();
  lcd.backlight(); 
  lcd.setCursor(1,0);
  lcd.print("Bienvenidos al");
  lcd.setCursor(1,1);
  lcd.print("Sistema control");
  delay(2000);
  lcd.clear();
}

void loop() {
   val= digitalRead(pulsador);
  if ((val == HIGH)  )
{
digitalWrite(led1, HIGH);
lcd.setCursor(0,0);
lcd.print("Encendido");
}
}