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Here’s a hand gesture recognition washer , normal buttons which are not convenient for the special groups of people have been left out ,countless sensitive dots on a touchpad have taken place of them, user only requires to make a gesture on the touchpad to start different modes of the washing machine. For instance, when you splay your hand it starts normal mode, or making a fist it will start to shake the clothes dry, those gestures are similar to the actions when we wash clothes which are more easy for blind people to understand. Besides, when the touchpad got the instruction the machine will make a sound to give user a response.