When we first heard of [Dino]’s all-terrain Roomba, we hoped the ‘stair-climbing Roomba’ problem had finally been solved, but the final build turned out much cooler.
A year ago, [Dino] built a small robot based on a rocker-bogie suspension. This suspension system has been used on every Mars rover, including the huge Mars Science Labratory scheduled to land on Mars next year. [Dino] beefed up the suspension from the previous version and changed the wheels and center of gravity. Now, the little Roomba rover seems quite capable of climbing over objects as tall as itself.
The control of the rover is similar to other Roomba hacks we’ve seen – just tapping a few transistors. [Dino] is using a Seeduino and an ultrasonic sensor to avoid collisions. [Dino] says that he’s thinking about pivoting each wheel independently to get around the skid-steering, but maybe an omnidirectional wheel would be better suited.
Check out the video after the break for a demo of the Roomba rover traversing the treacherous boulder strewn terrain in [Dino]’s garage.