Ascender: A two-legged robot vacuum that can climb and clean stairs
Stair climbing cleaning robot - YouTube
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iRobot - Cliff detection sensor helps #Roomba e5 to avoid falling down stairs and other dangerous drop-offs. Learn more about the Wi-Fi connected, Alexa integrated smart robotic vacuum cleaner: https://irobot .in/Introducing-Roomba-e5.aspx | Facebook
Dyson may be designing robotic vacuum cleaners that can climb stairs | Mint
iRobot Roomba® j7 Series Robot Vacuums | iRobot® | iRobot
This flying robot vacuum overcomes the Roomba's biggest weakness: stairs - The Verge