NaVi-Cane / GPS Navigation for Blind

NaVi-Cane is a cane with rotating tactile GPS navigation system.
NaVi-Cane implement rotating tactile navigation through GPS navigation data from smart phone.
NaVi-Cane has bluetooth module which can get road data from smart phone as well.
Therefore, users can touch and feel the direction where they want to go with their thumb.
Because tactile navigation orient absolute direction all the time.
When user meet obstacles, ultra sonic sensor(or infrared sensor) can detect and send vibration signal or beep warning.
Also when user reach to the certain place, RFID reader in the NaVi-Cane get additional information as well.