#include <LiquidCrystal.h>
LiquidCrystal milcd(12, 11, 5, 4, 3, 2);
int luzFondo = 13; 

void setup() {
     pinMode(luzFondo, OUTPUT);
     digitalWrite(luzFondo, HIGH); 
     lcd.begin(20,4); 
     Serial.begin(9600);
}

void loop() {
     if (Serial.available()>0) {
            delay(100);
            lcd.clear();
            while (Serial.available() > 0) {
                 lcd.write(Serial.read());
            }
     }
}









