Abstract
Today technology is improving daily in different aspects in order to provide flexible proposes Smart Cane (Stick) for blind person. But there is no such kind of good system to navigate a blind person and help in emergency situation. In this paper, user friendly device is proposed that can identify the obstacles in the path using ultrasonic sensors. In this system blind person will navigated through a cane interfaced with an android application. A blind person can establish voice call or SMS to a predefined number just by pressing the emergency button on cane using GSM module. In addition, people will get notified as Facebook status updated with emergency alert. This system develop an android application which is smart and user-friendly. While walking in public place during night time, the blind person can use cane as a flashlight which illuminates automatically.
Highlights
There are number of blind people in the society, who are suffering while exercising the basic things of daily life and that could put lives at risk while travelling
The connection has made up between the PIC 16F877A microcontroller, Bluetooth module, sensor, relay driver circuit connected with vibrator motor .The 5V DC supply provided to microcontroller and other hardware model
The system has been tested through several test cases. In this system ultrasonic sensors are interfaced with an android application to detect the obstacles
Summary
Blindness is a very common disability among the peoples throughout the world. According to the World Health Organization (WHO), 253 million people are visually impaired worldwide, 36 million are blind and 217 million have moderate or severe distance vision impairment. If the person is holding this electronic intelligent voice stick while walking it will help him to protect himself from these hurdles The scope of this project is to develop a low-cost system that assist blind and visually impaired without the help of sighted people. The simplest and most widely used travelling aid used by all blinds is the white cane It has provided those people with a better way to reach destination and detect obstacles on ground, but it cannot give them a high guarantee to protect themselves from all level of obstacles [1]. The project glows a system that tries to remove the curse of blindness and make them self- dependent to do their daily chores This system design and develop a portable unit (stick) for the blind people for easy use and navigation in public places through sensors [2]. This system works in both night and day and it is very reliable and effective
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