Design and Development of Blind Navigation System using GSM and IR Sensor

Abstract: Blindness means lack of visibility. Blindness can be partial or complete. Partial blindness means limited vision. Where complete blindness means one cannot see anything or does not see light. In this paper we have proposed to make a navigation unit for visually challenged persons that is fixed in a walking stick and acts as an Electronic eye for the Blind person so that he/she can move freely and safely. There are so many smart sticks available using ultrasonic, RFID etc. but they have some drawbacks. In this paper we propose a Blind unit that will be helpful for both indoor and outdoor purpose since it has IR sensor for detecting obstacle and it has GSM feature so that the visually impaired person can communicate with customer care unit and can make calls to the near and dear ones. It has a Bluetooth wireless headset also. When the blind person gets an obstacle or reaches the destination appropriate message can be heard over the headset.

Keywords: Blindness, Navigation Unit, Electronic Eye, IR Sensor, GSM