Abstract
Blind people face many difficulties to interact with their nearby environment. The aim of this paper is to provide a tool which will help blind people to navigate as well as sense the obstacles. We plan to propose a working model which is Walking Stick with in-built ultrasonic sensor with a micro controller system. The ultrasonic sensor is used to detect obstacles using ultrasonic waves. On sensing obstacles the sensor passes the data to the microcontroller. The microcontroller then processes the data and calculates if obstacle is close enough. If obstacle is not close enough the circuit does nothing. If obstacle is close then microcontroller sends Alert signal to the blind person. In addition we also plan to embed e-SOS (electronic Save Our Souls) system. Whenever blind person feels any discomfort while navigating then he presses an e-SOS distress call button on the stick to give a video call to his family member. The video is streamed in an Android mobile via Android application. The Android application also shows the location of the blind person to his family member. In this way, Blind person is guided to move along the path by his family member via the Android Mobile Application.
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