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Embedded Based Supporting System for Visually Impaired Person




RF, PIC Microcontroller, Ultrasonic Sensor


Blind cane stick is an innovative cane stick designed for visually disabled people for improved navigation. We here propose an advanced blind cane stick that allows visually challenged people to navigate with ease using advanced technology. The blind cane stick is integrated with ultrasonic sensor along with light and water sensing. Our proposed project first uses ultrasonic sensors to detect obstacles ahead using ultrasonic waves. On sensing obstacles the sensor passes this data to the microcontroller. The microcontroller then processes this data and calculates if the obstacle is close enough. If the obstacle is not that close the circuit does nothing. If the obstacle is close the microcontroller sends a signal to sound a buzzer. It also detects and sounds a different buzzer if it detects water and alerts the blind. One more feature is that it allows the blind to detect if there is light or darkness in the room. The system has one more advanced feature integrated to help the blind find their cane stick if they forget where they kept it. A wireless RF based remote is used for this purpose. Pressing the remote button sounds a buzzer on the cane stick which helps the blind person to find their cane stick. Thus this system allows for obstacle detection as well as finding cane stick if misplaced by visually disabled people.

Other Details

Paper ID: IJSRDV7I10342
Published in: Volume : 7, Issue : 1
Publication Date: 01/04/2019
Page(s): 668-671

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