The smart cane utilizing a smart phone for the visually impaired person

This paper deals with the intelligent Android application system for smart cane, which helps the visually impaired person to detect an obstacle in their environment and to guide them towards their destination. In addition, it can increase a convenience to the utilization that networks with smart phone. The designed smart cane supports an application to pair it to smart phone. . It uses an ultrasonic sensor is to detect obstacles while walking, and a gyro sensor is used to prevent falls. The formed experimental board is paired to a smart phone App. using Bluetooth V2.0 serial protocol.