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Pathfinder for the Blind

Authors: ALAO Olujimi , Kehinde D.O , MENSAH Yaw , A.o. , Somefun , Afonne I.e

Publication Type: Journal article

Journal: International Journal Of Scientific & Engineering Research

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Abstract

So many things can be accomplished with the help of science and technology in which implementing a device that will aid the visually impaired mobility is not an exception. About 90% of the world’s visually impaired people live in developing countries, but Nigeria which is one of the developing countries haven’t thought of providing a mobility aid for the blind.
This research was carried out by distributing questionnaires in some schools for the blind like Pacelli School for the blind and it was discovered that most of the things they use are being imported from other countries, this project will help them in fulfilling their day to day activity by producing a mobility aid.
Path finder for the blind transforms visually environmental cues into another sensory modality that has the capability to help visually impaired people travel with greater degree of psychological comfort and independence. It was designed to address two important issues that the visually impaired are facing: inadvertent cane contact with other pedestrians, objects and speaking to a person who is within the hearing range with a detachable earpiece if need be; it also vibrates for people with ear defects. The system uses ultrasonic sensors to detect obstacles. Armed with advance knowledge of the presence of obstacles, location of objects and people in the environment, users with this mobility aid can travel with increased independence, safety and confidence.
This device comprises of ultrasonic sensors attached to the walking stick placed in the front and at two sides, the left and right. When an obstacle is detected with the left sensor, the device with the aid of the microcontroller tells you turn right and vice versa. The device tells the user to stop when the device is surrounded with obstacles

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ALAO,O. Kehinde,D. MENSAH,Y. A.o.,A. Somefun,O. Afonne,I. . (2016). Pathfinder for the Blind, 7 (), 1661-1661.

ALAO,O. Kehinde,D. MENSAH,Y. A.o.,A. Somefun,O. Afonne,I. . "Pathfinder for the Blind" 7, no (), (2016): 1661-1661.

ALAO,O. and Kehinde,D. and MENSAH,Y. and A.o.,A. and Somefun,O. and Afonne,I. and . (2016). Pathfinder for the Blind, 7 (), pp1661-1661.

ALAOO, KehindeD, MENSAHY, A.o.A, SomefunO, AfonneI, . Pathfinder for the Blind. 2016, 7 ():1661-1661.

ALAO,Olujimi , Kehinde,D.O , MENSAH,Yaw , A.o.,Adejugba , Somefun,O.m , and Afonne,I.e . "Pathfinder for the Blind", 7 . (2016) : 1661-1661.

A.Olujimi K.D.O M.Yaw A.Adejugba S.O.m & A.I.e , "Pathfinder for the Blind" vol.7, no., pp. 1661-1661, 2016.

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