![RFID Crystal Ball](http://www.8bitbricks.com/wp-content/uploads/2015/05/9781430249290_fig4-26-640x360.jpg)
RFID Crystal Ball
Since DC Comics wouldn’t allow me to use my Green Lantern project in my book, Arduino and LEGO Projects, I built a crystal ball that would react similarly when a magic wand was used for Chapter 4.
Since DC Comics wouldn’t allow me to use my Green Lantern project in my book, Arduino and LEGO Projects, I built a crystal ball that would react similarly when a magic wand was used for Chapter 4.