Robots are going to do many things for us in the future. They are already capable of cleaning windows. The HOBOT-298 is a window cleaning robot with a 24 x 24 cm cleaning cloth and can clean 40m2 area before you need to refill the water tank.
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This robot can cover one square meter in 2.4 minutes. It has laser sensors to detect the distance to work on. It is driven by a brushless DC motor. You can monitor everything from your smartphone.
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