Ultrasonic shoe sensors help the visually impaired From: EDN Network - 10/10/2013 Denver Dias, as part of his undergraduate studies, set out to create a new interface to help with environmental awareness for those who cannot see. His concept was to move the obstacle detection out of the hands of the person. He is accomplishing this by mounting an array of ultrasonic sensors around some tennis shoes. The concept behind this prototype is that any obstacle will be detected and a physical notice will be given to the wearer in real time. Read the entire article at: http://www.edn.com/electronics-blogs/sensor-ee-perception/4422512/Ultrasonic-shoe-sensors-help-the-visually-impaired Link: Walking aid for the blind - undergrad project http://revryl.com/2013/08/10/walking-aid-blind/