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A newly created dashboard will be empty by default. To add widgets click the 
in the bottom left corner. This will set put your dashboard in edit mode. Press the 'Add new widget' section in the middle of the page or the 
in the bottom left corner to add a new widget. A menu will appear on the left side of the screen.
From the drop-down menu on the top different kinds of widget bundles can be selected. You can play around try different kind of widgets. They mostly work in the same way. For now we select a 'Charts' and then click the one on the top called 'State Chart'.
A menu which looks like the this should now appear.
It is now time to add a data source to our widget. Click the 
'+ADD' button to select data sources.
Under the type section you either chose 'Entity' to select a device, or 'Function' to write your own function to visualize data. An example of a function is a sine wave.
For now we select 'Entity'. Here you can name the entity whatever you like, in this example we will name it 'Sulafjorden Wave'.
Once entered, a message will appear saying that no entity was found, press the 'Create a new one!' hyperlink.
