This project is used for helping blind to travel conveniently and avoiding the obstacles. However, the Blind Navigation itself cannot guarantee that it can protect the blind from accident. From these reasons, this project refers to Blind Navigation that composes of an ultrasonic sensor controlled by a Arduino UNO board .Arduino UNO board receives the signal from ultrasonic module then processes. The result from the Arduino UNO board will sent to alarming android device to warn user to know about the obstacles available in range. Furthermore, we have android application, which have button to send gps location through sms system.