Completed for English 11 Design Challenge as a student at The Metro Institute of Technology in Mr. Tony Taliani's Class in the First Semester of the 2016-2017 School Year. 

Have the ultrasonic sensor pointed in the direction in which you would like to hear the distance. For best results, use this sensor by Maxbotics: 

MB1010 LV-MaxSonar-EZ1 Range Finder