2015-04-18 arduino light sword refhttps://www.facebook.com/groups/arduinotaipei/permalink/1017236018303849/http://stonez56.blogspot.tw/2015/03/arduino-dfplayer-mini-mp3-module.html?hc_location=ufihttps://www.facebook.com/ideamclub?pnref=story&hc_location=ufi Newer concept-3 Older Tkinter