Development of a smart walking stick for blind people

Mohammad Sofi, Nurfarzana (2022) Development of a smart walking stick for blind people. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

If an individual's central visual acuity in the better eye is 20/200 or less with the use of a correcting lens, he is considered blind for the purposes of this title. For the purposes of the first sentence of this subsection, an eye with a limitation in the fields of vision such that the widest diameter of the visual field subtends an angle of no greater than 20 degrees is considered to have a central visual acuity of 20/200 or less. The innovative Smart Blind Walking Stick system can operate in a user-friendly manner so that the blind person can walk independently without getting help from others. This system assists the blind to navigate on their own. The stick with sensors can detect the obstacles in front using ultrasonic sensors and it will produce buzzer sounds and a vibrator. The buzzer would alert the user. Furthermore, the sensor on the stick can also detect the water on the ground and informed the user by the buzzer and vibrator. The buzzer and vibrator generate different sounds according to different detection. Finally, this project can identify to track the user’s location using GPS and send the location to guardians using GSM. It also focuses on aspects that provide cost-effective and efficient navigational help.

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