International Research Journal of Engineering and Technology (IRJET)
e-ISSN: 2395-0056
Volume: 11 Issue: 04 | Apr 2024
p-ISSN: 2395-0072
www.irjet.net
Sahayaak : A Smart Sensory Navigating Aid for the Visually Impaired Heramb Parag Velde1, Aditya Rahul Bhandarkar2, Aditya Tanaji Gaikwad3, Atharv Atul Khedkar4, Litesh Nishikant Kingaonkar5, Amita N. Dubey6 1,2,3,4,5Department of Electronics & Telecommunication Engineering, JSPM’s RSCOE Polytechnic, Tathawade, Pune 6Head of Department, Department of Electronics & Telecommunication, JSPM’s RSCOE Polytechnic Tathwade,
Pune ---------------------------------------------------------------------***---------------------------------------------------------------------
Abstract - This research paper introduces a futuristic
could have been avoidable or is yet to be look after. Visual impairment significantly impacts the quality of life of individuals, including their ability to perform daily activities, engage in education and employment, and participate fully in their communities.
innovation, the "Sahayaak : A Smart Blind Stick for the Visually Impaired," developed to address the safety and independence hardships faced by visually impaired individuals during mobility. Traditional white canes often fall short in ensuring complete protection, leaving users vulnerable to undetected obstacles. In response, we present a meticulously engineered system comprising an ultrasonic sensor integrated into the user's cane, coupled with Arduino nano and uno microcontrollers, along with these there is a GPS and GSM Module for distress signaling and a speakerbased distress call system based on an APR33A3 voice recorder Module. As the user navigates, the sensor actively scans the environment for obstacles, triggering tactile or auditory feedback upon detection. This responsive technology empowers visually impaired individuals to confidently traverse their surroundings, offering real-time obstacle recognition and enhancing their overall safety. The implementation of this cutting-edge navigation aid marks a significant leap towards fostering autonomy and security for visually impaired people, making strides in the realm of assistive technology.
Here's a breakdown of key statistics and real-world situations related to visually impaired individuals: 1. Prevalence of Visual Impairment: • According to WHO, around 253 million people globally are visually flawed, of whom 36 million are sight-less. • Visual impairment affects people of all ages, with a higher prevalence among older adults. Approximately 65% of visually impaired individuals are aged 50 and above. • The leading sources of visual impairment include ignored refractive errors, cataracts, age-based macular degeneration, glaucoma, and diabetic retinopathy. 2. Global Distribution and entry to Eye Care Services:
Key Words: Arduino Uno and Nano, Ultrasonic Sensor – HC-SR04, Mobility Aid, Smart Blind Stick, Distress Signal, APR33A3 Module, GPS Tracking, Visually Impaired Persons
• Visual impairment extremely affects low-income and middle-income countries, where access to eye care services is very less.
1.INTRODUCTION
• In many regions, there is a sparseness of eye care professionals, including ophthalmologists, optometrists, and trained personnel for vision rehabilitation.
In the realm of mobility aids for visually impaired individuals, the traditional white cane has long served as a symbol of independence and navigation. However, despite its ubiquitous presence, the traditional white cane poses several limitations and challenges for users, hindering their ability to navigate safely and efficiently in various environments. As technology continues to advance, there arises an opportunity to address these limitations through the development of smart blind sticks equipped with cutting-edge features and functionalities.
• Lack of awareness about eye health, financial constraints, and inadequate infrastructure contribute to disparities in access to eye care services. 3. Impact on Education and Employment:
1.1 The Real World Problem Statement
• Visual impairment can significantly impact educational attainment and employment opportunities. Many blind individuals face barriers to accessing inclusive education and vocational training.
As of the latest available data from the World Health Organisation (WHO), there are around 2.2 billion people worldwide living with vision impairment or blindness. Among them, about 1 billion have a vision impairment that
• According to the International Labour Organisation (ILO), the global employment rate for people with disabilities, including visual impairments, is significantly lower than that of the general population.
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