Walking Stick for Visually Impaired using Ultrasonic Sensor

Vision is one of the basic needs of a human being it is really difficult for a person to survive without vision. But some people in this world still survive facing this unfortunate situation due to many reasons. The visually impaired have to face many challenges in their daily life. Basic requirement to lead their life is walking stick. This walking stick is their only method or technique used by them. The aim of this paper is to bring a solution for the troubles faced by them. Ultrasonic sensors are used in the walking stick to find the distance of the obstacles around the blind person and to guide the user towards the available path. Even though thisis not a permanent solution. But will be a great help to their livelihood. This would act like a navigation system for them. The output used here are the beep sounds produced by the buzzer varying according to different sensors output. The visually impaired person could themselves find their way and be independent in life. This system is a low cost and efficient tool for them.