An electronic design of a low cost Braille typewriter

Abstract

The paper documents a new design for a Braille typewriter. Comprising a majority of electrical components; the design aims to produce a product that fills the gap in the range of Braillers available. A low cost and robust design will provide the blind with an affordable and reliable alternative to the Perkins and Mountbatten Braillers. The Braille typewriter will comprise the following key components: 10 digit keypad; PIC 16F877 micro controller; 3 stepper motors; 3 stepper motor controllers; embossing tool; 2 solenoids; warning speaker; and nylon casing.