Electronic Travel Aid System for Blind People
There have been great developments to make an aid for blind people. Walking is difficult for blind people. We will be developing an aid for blind so that they can walk carefree. Blindness is a condition of lacking visual perception. Blind people feel very discouraged because they need help to move around the outdoors and indoors. They can only walk through the known roads but they canít detect the obstacles on their way. It is very difficult for them to walk on the roads. Blind people are not able to sense things.
Keywords - Ultrasonic Sensor, GSM ( Global System for Mobile Communication), GPS ( Global Positioning System)