LiDAR uses light to measure distance, but requires a “tower” on top of the robot, which is why most robots you see these days have a circular “button” on top of the machine to house the LiDAR.
There are two main types of navigation that most robot vacuum cleaners use: laser-based LiDAR and camera-based vSLAM. LiDAR is far and away the fastest and most accurate form for room mapping ...
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