Location: Kragujevac, Serbia Serbia-Montenegro
Number of times previously entering contest: 1
Inspired by: I've got inspiration when I was standing at crossroad, waiting for the green light, in my hood, I heard the sound of beeper to warn the blind persons to cross the street. I was thinking HOW do t hey know what is safe direction to step a cross.
|06/30||Traffic Light Directional Device for Blind Persons Usage for the Traffic Light Poles with Lights Facing 2 Directions||Sustainable Technologies||79||2|