Videos didácticos de sensores capacitivos

http://www.youtube.com/watch?v=qY-zlTwAHXQ

http://www.youtube.com/watch?v=dJDZ07GVYY0&feature=related

http://www.youtube.com/watch?v=8XG_oeiKfQk&feature=related

http://www.youtube.com/watch?v=vY9OHowzzYs&feature=related