This is my 3D printed self balancing robot.
Check out details in my blog: https://paolonegrini.wordpress.com/2014/09/21/the-balancing-act-of-the-one-eyed-robot-part-1-technical-description
Or watch a video: https://www.youtube.com/user/pfnegrini
This is a companion discussion topic for the original entry at https://community.robotshop.com/robots/show/the-balancing-act-of-the-one-eyed-robot