Quadriplegics and Blinds like other people are interested in life. We have designed an electrical system in order to make blinds able to ride bicycle alone without any others help that was not possible before!. This system can be applied as a smart power assistance module for manual wheelchairs or quadriplegics wheelchair. Also with this system, we can make a new method in Paralympics, and design a new cycling sport for blinds. We design an auditory guidance system for the blind using ultrasonic to audio signal transformation. The system derives visual information using infrared and ultrasonic sensors, and transforms it to binaural auditory information. The user can recognize the position of obstacles and the surrounding environment. It is grate! Today a blind who was not able to run a bicycle alone, can be winner in Paralympics
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