7 ms·

Robot vacuum does this but scanning the ceiling.

• mleonhard 5y ago
  Which one?
  • Fronzie 5y ago
    LG's Hom-Bot series do, it has a usb port onto which it can store the generated map of obstacles. There might be others as well.
  • ezconnect 5y ago
    I know Samsung because I have 3 of them and LGs does it too.