Implementing And Testing An Ultrasonic Sensor Based Mobility Aid For A Visually Impaired Person
2017 IEEE REGION 10 HUMANITARIAN TECHNOLOGY CONFERENCE (R10-HTC)(2017)
Abstract
This paper describes the findings of a student project that is aimed at helping to improve the quality of life for visually impaired people with an innovative and affordable solution. The project goal was to implement a cost effective prototype of a light, wearable head mounted device with sensors for aiding the mobility of visually impaired people in Bangladesh. The prototype consists of ultrasonic sensors powered by a rechargeable battery and an Arduino processor to control signals in the presence of obstacles. The sensors and Arduino were implemented on a Virtual Reality Box which was worn by a visually impaired person to detect obstacles along the path. The detection was conveyed with vibrations from a motor to caution the person of nearby obstacles. The prototype was successfully implemented and tested for variable parameters of consequence such as range and optimum response time.
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Key words
Obstacle detection, Arduino based interfacing, ultrasonic sensor, vibration motor, Bluetooth module
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