[ROS] Rear Ultrasonic Sensor using Arduino for Turtlebot Robot with ROS

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This is a demo prepared by my student Bassel Said in the course CS460, Introduction to Mobile Robots, where he developed an ultrasonic sensor with Arduino and integrated it to Turtlebot robot as a rear obstacle detection sensor, which emulated rear sensors of vehicles.
While the robot moves back, it will make a sound proportional to the distance to the obstacle, and finally force to stop if the distance becomes lower than a certain threshold.
Great work Bassel!

To learn how to build this application, learn ROS on Udemy
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