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This paper proposes to assist the visually impaired for their safe navigation. The authors are using the Zigbee technology to help them correctly identify their destination without any human guidance. It uses a SD card to store the map of the familiar and unfamiliar environments which helps the visually impaired upon their query through an alphanumeric keypad. They are proposing to use ultrasonic range finder to help them navigate freely without stumbling upon any obstacles. If it detects any obstacles it will send the signal to the microcontroller which will then activate the voice system to provide necessary assistance through the use of an ultrasonic rangefinder that hectically interfaces with the user via tiny vibrating motors mounted on the user's head.
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