Will a Vacuum Robot Detect Stairs and Avoid Falling Down?

Answers to All Your Questions on Roomba, Neato & Other Vacuum Robots

Except for very cheap toys, all vacuum robots, including affordable ones, include several cliff sensors. Thanks to these sensors, a vacuum robot detects when it reaches a stair edge. It then changes direction, to avoid falling down.

vacuum robot detects stairs

Cliff sensors are are located underneath the robot. They rely on infra-red light to detect gaps, and safely navigate cleaning your home. The video below shows an affordable Roomba 650 cleaning a staircase and edge of floor, without falling down.

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