Abstract

Navigation for the visually impaired is a critical aspect of ensuring independence and safety. This project introduces an "Ultrasonic Navigation System for the Blind" using ultrasonic sensors and a buzzer. The system aims to assist individuals with visual impairments by detecting obstacles in their path using ultrasonic sensors and providing feedback through a buzzer. This integration of sensors and an audible alert system offers an intelligent solution for enhancing mobility and reducing obstacles for the blind.On the other hand, and in order to reduce navigation difficulties of the blind, an obstacle detection system using ultrasounds and vibrators is added to this device. The proposed system detects the nearest obstacle via streoscopic sonar system and sends back vibro-tactile feedback to inform the blind about its localization.The system has one more advanced feature integrated to help the blind find their stick if they forgot where they kept it. Pressing the remote button sounds a buzzer on the stick which helps the blind person to find their stick. Thus this system allows obstacle detection as well as finding stick if misplaced by visually disabled people. This goal has been realized through the use of an ultrasonic sensor to determine the range of obstacles and also a microcontroller to act accordingly. The life of blind people is very difficult and challenging, This stick will be embedded by sensor to senses any object or human in front of them.

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