here i have try to develop an application which will give navigation aid to blinds.
app features with the information of user and emergency contact
app will detect obstacles using hardware and will alert the user through sound
app sends a help message to two specified numbers in the app by user if panic key is pressed
bus identification system is also included in the app with the help of RFID
link to my android apk : http://adf.ly/1ny1X4
