Smart Walking Stick for the Visually Impaired

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Smart Walking Stick for the Visually Impaired
Previous Design
GOALS 1. Navigation around obstacles 2. Indoor
navigation through RFID 3. Outdoor emergency
position broadcast 4. Alert others of users
presence
Current Design
APPROACH

• SONAR Navigation Detects proximity and depth,
  alerts via vibration in handle.
• GPS Locator System Relays the co-ordinates of
  the user to an email address.
• RFID Indoor Navigation Uses Breadth First Search
  based algorithm to navigate e.g. entrance to
  rest-room.
• LED Warning System LEDs flash in low light
  conditions.
• Audio Warning System Speaker beeps when activated