Navigation assistance for visually impaired. Device will use ultrasonic sensors to determine objects in near distance to user (up to 3-5 meters), These objects will be presented to user using modulated vibrations of several acutators mounted in hand grip of walking stick. It will help to walk in unknown environment for visually impaired persons.
The author of this project participate to the Contest 2011
, so the description and sources will be available at the end of the contest.