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When a blind person takes a bus, he often does not know whether the bus arriving at the station is the one he wants to take and also has difficulty getting on the bus. Our design is to solve this problem in two aspects. This aid cane can receive information about the coming bus from bus stop board and presents it in braille. The blind person can get the information by touching. In addition, users can set up the bus order by using APP in advance. When the blind person arrives at the bus station, the aid cane projects the information on the ground. The surrounding people can take the initiative to help them get on the bus.