Development of navigation system with voice alert for visually impaired using IoT

Kamalin, Siti Rafidah (2020) Development of navigation system with voice alert for visually impaired using IoT. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Blindness is a lack of vision and a failure to see anything, including light. It may also refer to vision loss that cannot be fixed with glasses or contact lenses. Due to the extreme scant input from their surroundings that makes it impossible for them to do something, the blinds certainly face too many difficulties in their everyday routine. Surrounding knowledge can help the visually impaired person avoid the obstacles and make them accustomed to the surroundings and obtain the ways to urge them to the destination. The purpose of this project is to develop a navigation system for visually impaired with voice alert using Arduino which interfaced with the GPS technology that embedded in Google Maps. Besides, this project is also to design a wearable device that ease the visually impaired for their travel aids with the use of ultrasonic sensor that can detect any obstacles up to 4 meters. In addition, this project is also to study and implement the use of IoT in navigation system for the visually impaired by using Blynk app. This project starts when the blind input the location using Google Maps in smartphone, then it will confirm the direction that had been entered. The direction will be heard from earphone. Then, the use of ultrasonic sensor is to detect any obstacle that might be exists on the path up to 4 meters. In addition, when the blind person is in a danger or critical situation, the device has a push button that when it is pushed, the Blynk app will send notification with location of the blind and send it to his/her family member. Lastly, this project will help the visually impaired to navigate easily and securely.

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