Design and Implementation of Arduino based Refreshable Braille Display Controller

Rushil Gupta; Parikshit Kishor Singh and Surekha Bhanot

doi:10.17485/ijst/2016/v9i33/99593

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Design and Implementation of Arduino based Refreshable Braille Display Controller

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Indian Journal of Science and Technology

DOI: 10.17485/ijst/2016/v9i33/99593

Year: 2016, Volume: 9, Issue: 33, Pages: 1-6

Original Article

Design and Implementation of Arduino based Refreshable Braille Display Controller

Rushil Gupta^*, Parikshit Kishor Singh and Surekha Bhanot

Department of Electronics and Instrumentation, BITS Pilani Pilani Campus, Pilani, India; [email protected]
[email protected]
[email protected]
*Author for correspondence
Rushil Gupta
Department of Electronics and Instrumentation
Email: [email protected]

This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

This article describes design of a controller for refreshable Braille displays used by Blind or Visually Impaired people. The controller manipulates the ASCII 64 printable character set in order to stimulate 6 dot combinations in Braille language. It is capable of transliterating English/Devanagari texts into Braille script, which is then rendered on a refreshable display. The prototype presented constitutes a portable, battery powered and stand-alone Arduino that processes pre-programmed English/Devanagari text and actuates Braille cells consisting of 6 Light Emitting Diodes representing a Braille character with the incorporation of input buttons and encoders allowing for controlled traversal of text.
Keywords: Arduino, Blind, Braille, E reader, Visually Impaired