build robot chassis for these wheels out of cardboard boxes. (Maybe even the exact box that shipped the yellow wheels.) Cardboard is cheap and easy to work with, making cardboard projects ...

Bright yellow and powered by a pair of streamlined wheels, Ballie (pronounced “Ball-E”) comes with a bank of sensors and ...

The robot uses a single motor to drive its hemispherical omnidirectional gimbaled wheel, propelling it across the floor at amazing speeds with uncanny agility. The robot uses a simple two axis ...