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Our design is a convenient GPS note for blind people, the braille on it shows some information about the circumstances, such as which floor you are on and how many stairs there are. When the blind go upstairs, the note could give them a hint and make it easy. The note is made of environmental protecting materials, whose paste layer on the back suits many kinds of handrails. In addition, the paste layer also contains a piece of material that has night light, which provide indication and convenience for others in the dark.
Hao-Wen Deng Wei-Ming Zhou