Development of a smart walking stick for visually impaired people

Abstract

One of the major issue faced by blind people are moving from one place to another. Also they get stress while walking along bad conditions of the road. All the time, they are alerted by others to avoid obstacles, staircases and wet terrain. This paper addresses the above issues of blind people with the intervention of technology. Also proffer the development of an electronic stick for blind person to assist them gain self-sufficiency. In the proposed model, an electronic stick was consolidated with an ultrasonic transducer, water circuit and RF transmitter and receiver module. The ultrasonic sensor will sense the obstacle within the span and notify the blind person with the help of buzzer. The water circuit when acquire with the water, it get short circuited and make buzzer to sound. Also, provides a way to find the misplaced stick in indoor. When the person presses the button in the remote, the stick will notify the blind person to realize the stick. Since this is simple, economical and not substantial, one can hold it easily. The prototype model was implemented and the entire setup functions were controlled by using the Arduino ATMEGA 328-PU microcontroller.