Prototype development using arduino microcontroller for supporting visually impaired people

Abstract

In Brazil, the presence of pedestrian crossing or ways that facilitate and support the impaired people in relation to their locomotion do not have efficacy, which generates more difficulties for them during the routine daily. But, not only the public ways are obstacles, the locomotion in the house can be dangerous. For mitigating that problem, the present project was developed with the goal of producing a dispositive which helps people during the life daily, based in Arduino microcontrollers and ultrasonic sensors responsible for objects identification. For it, the algorithm is capable of measuring distances with low error levels in comparison to the real measures, being possible until to 2m, and send them to the other board. This signal is transmitted to the microcontroller and alert the user about possible objects near them through the micromotors localized around the belt. Therefore, the prototype proposed proved effective in the measures of distances and during the vibration alert, certifying its applicability in diverse situations, given that functionality and its low cost.