Open one of the example sketches, and press the upload button to load it. The Arduino should begin responding to the program: If you’ve set it to blink an LED light, for example, the light ...

If you start with the examples that come with the ... useful to have access to at least some of your program’s internal state. Of course, Arduino has promised full debugging soon.

You could try to go completely graphical with this project. There’s the option of programming the Arduino side of the project in a similar way.