July 14, 2015 – Interested in building your own BB-8 droid? Or curious as to how to solve the many technological hurdles, including balance (for the free-moving head), wobble, traction and speed?
While the lower body is simply a hollow polystyrene shell, all the complexity lies in the independent head. The head contains an accelerometer and gyro unit, a couple Arduino units (micro-controller boards linked to sensors and actuators), a motor-driver and a radio-control device.
Watch this progress video (the fifth of five so far) by James Bruton of Xrobots.co.uk to see how he solves the challenge of traction on a smooth floor versus a carpet: