Braille keyboard for blind people

Abstract

Braille keyboard is a wired portable keyboard comprises six dots similar to braille lipi designed for the blind people, it can interface with laptops and desktops. The keyboard comprises 6 push buttons, represented as six dots, which produces every character or a number. The system consists of an audio jack, through which the blind person can able to hear whatever he or she types. We can interface the Brail le keyboard with a PC through an open source software cool term. Blind people can type in the word are PPT by using this braille keyboard which can improve their employability skills and they can write their online exams without a third person assistant.