Here is the reference for the Ultrasonic library.
The page that I linked has decent documentation. It explains all of the functions of the library. And there are example codes with the library.
Is there something specific that you do not understand?
Here is the reference for the Ultrasonic library.
The page that I linked has decent documentation. It explains all of the functions of the library. And there are example codes with the library.
Is there something specific that you do not understand?