Debounce

• Debounce
  • http://picmania.garcia-cuervo.net/conceptos.htm#PORTA
  • https://www.google.es/search?q=debounce&oq=debounce&aqs=chrome.0.57l2j65l3j60.1442&sourceid=chrome&ie=UTF-8
  • http://opensourcehardwarejunkies.com/tutorial-15-debouncing-a-button-with-arduino/
  • POner mi propio codigo