Smart Wheel Chair for Visually Impaired

  IJETT-book-cover  International Journal of Engineering Trends and Technology (IJETT)          
© 2014 by IJETT Journal
Volume-14 Number-1
Year of Publication : 2014
Authors : Dev Pratap Singh , Lovish Garg


Dev Pratap Singh , Lovish Garg. "Smart Wheel Chair for Visually Impaired", International Journal of Engineering Trends and Technology (IJETT), V14(1),13-19 Aug 2014. ISSN:2231-5381. published by seventh sense research group


The visually impaired persons suffer from lack of confidence, restricted mobility and dependence on others in their daily life. This paper proposes an embedded system design of a smart wheel chair aiming for visually impaired using high-end technical tools like AVR Studio, ATMEGA 16 Development Board (Atmel Corporation), proximity sensors and DTMF Decoder. The movement of wheelchair is controlled by cellular phones specifically designed for the visually challenged people (Toshiba, Huawei, Sens are companies that manufacture such specific mobiles). In this paper existing designs of wheel chair are also discussed. In addition to being user-friendly, the proposed design also provides a high degree of mobility and defence against obstacles for the visually impaired. Further the design is also tested using Printed Circuit Board (PCB) and the results obtained are in perfect accordance with the expectations. This proposed smart chair design outperforms the existing designs in terms of obstacle avoidance and technology.


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Dual Tone Multi Frequency (DTMF), Cellular Phone, ATMEGA 16 Development Board (Atmel), Proximity Sensor, AVR Studio