There are robot dogs that climb stairs, but what a stair-climbing robot that can handle bends? Engineer James Bruton has just the solution. This homemade robot uses eight motors and special wheels split over three sections to move up or down stairs. Each of these sections then move individually to keep the robot balanced as it climbs or descends stairs.
Why do the rear wheels look different? They are omnidirectional, which means they can roll in all directions, but these don’t have drive motors. The two front sections require four motors to run, while the lead screws used to lift each section vertically requires another pair. Controlling all of these motors is an Arduino Mega 2560 equipped with an nRF24L01 radio transceiver.
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Then I found a stair cleaning robot which splits itself into three vertical sliding sections to lift itself up on each step. The middle section has four wheels to hold it stable, and it also looks like it has omni-wheels so it can slide sideways to clean each step as it goes,” said Bruton.
