Proposta de um produto de tecnologia assistiva: desenvolvimento de um protótipo de identificação de cores para daltônicos

Abstract

The present study aimed to develop a prototype of a system capable of performing the identification of color users with color-blindness. This instrument uses a TCRT 5000 Reflective Optical Sensor as an object tint identifier as well as an Arduino microcontroller as the control unit. An LCD Display was used to inform the color of the identified object. Requirements were elaborated based on the Kano Model, to evaluate the relationship between the performance of certain characteristics of the product with the satisfaction that this causes in the user. Its performance was evaluated by means of a test program (via sketch) that takes as base a simple logic where the reflective optical sensor makes the analysis of the color combination that is in its line of action, including that of the environment if there is no object, and responds with intensity distributed among red, green and blue colors. The results showed that the arduino satisfactorily identified the primary colors and that fulfills most of the attractiveness requirements following the Kano model, such as the speed of reading and the response. Although simple in design, the device's low cost and good performance make it an interesting alternative as an assistive technology product to meet its target audience and increase its quality of life.