info. imagen

http://www.123rf.com/photo_13590142_electric-circuit.html
https://magic.piktochart.com/output/17294826-andres-cisneros-ntic

AUDIO https://soundcloud.com/andres-cisneros-16/sistemas-electricos-audio

http://freemusicarchive.org/music/Kai_Engel/Better_Way/Kai_Engel_-_Better_Way_-_07_Ode_to_the_World