The electronic components of the Le Chal haptic feedback shoe for the blind
Le Chal is a navigational device for the blind, that guides them to their destination via vibrations in one of their shoes
The layout of LeChal, with its LilyPad Arduino circuit board and four vibrators
Within just the past few years, scientists have developed an impressive number of experimental systems designed to help the blind navigate city streets. These have included devices that mount on the wrist, are incorporated into glasses, are worn as a vest, and that augment a traditional white cane. A young researcher at Hewlett-Packard Labs in Bangalore, India, however, has come up with something else - a navigational device for the blind that's built into a shoe.
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