Zajímavé odkazy
http://hawelson.blog.cz/rubrika/beamboti
http://raysbeambots.solarbotics.net/walker/walker_tut.htm
http://raysbeambots.solarbotics.net/walker/walker_tut.htm
http://www.flickr.com/photos/m27debord/sets/72157594251717050/
http://costaricabeam.solarbotics.net/Circuits/SolarEngines_Main.htm