Smart stick detects obstacles in front of the blind.

Sonar sticks use ultrasound to guide blind people

Effective Fast Response Smart Stick For Blind People: April 2015

Blind Stick, PDF, Visual Impairment

Difference between calculated and measured value

Smart stick for the blind - The IEEE Maker Project

Working principle of smart blind stick

Effective Fast Response Smart Stick For Blind People: April 2015

Smart walking Stick for blinds

PDF) Ultrasonic Blind Walking Stick

Effective Fast Response Smart Stick For Blind People: April 2015

Design and Implementation of a Smart Blind Stick Using Infrared

PDF) Smart Blind Stick International Journal of Scientific

PDF) IJERT-Smart Blind Stick IJERT Journal

Smart Cane Gives the Blind Freedom to Explore

shows the proposed system. The following subsections will discuss