/* Generando caracteres a media en un LCD */
#include <LiquidCrystal.h>
LiquidCrystal lcd(12, 11, 5, 4, 3, 2);
byte a[8] = { B00000,
              B01010,
              B01010,
              B00000,
              B00100,
              B10001,
              B01110,
              B00000, };
void setup()
{
  lcd.begin(16, 2);
  lcd.createChar(0, a);
  lcd.setCursor(0, 0);
}
void loop()
{
  lcd.write((uint8_t)0);
}