enlaces sobre un curioso robot-bola
https://www.ubreakifix.com/blog/how-does-bb-8-work/
http://www.cnet.com/news/sphero-bb-8-te ... -wars-toy/
https://www.fictiv.com/resources/starte ... 8-teardown
http://www.element14.com/community/blog ... bb8-part-1
http://computerhoy.com/noticias/hardwar ... hero-33699
http://consumeconcabeza.es/robot-bb-8-e ... star-wars/