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Now, double click on the openweathermap node to configure it. Now, head over to FRED and create a new flow by starting with an openweathermap node (you will find this node under “weather”, or by using “filter nodes” to search at the top of the left pane) and connecting it to a debug node like this: You will need your own API key which will look similar to the one below – you will use your own key in Node RED so make a copy. When you register/login you will be able to access your API Key.

To begin, head over to and register for a free account.

display the data from the openweathermap node using the FreeBoard display node.set up an openweathermap node in FRED using the built in node.We’ll be using the Cloud based FRED service as our Node-RED engine and visualizing data from a web weather service. This is a simple example of reading and visualizing data using the FreeBoard node from a Node-RED flow. Examples in the early lectures will work with other installations of Node-RED, later lectures use nodes you will need to install yourself if you don’t use FRED.Įxample 7.1 Using the FreeBoard dashboarding service We use a cloud hosted version of Node-RED for these lectures called FRED.

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Part 3 (Using an external charting library)īy the end of the lecture you will have enough knowledge to decide which approach is best for your specific needs and how to quickly get a visualization of your data up in a web browser.

Part 2 (Using the default Node-RED dashboard nodes).

We’ll focus on three approaches, the use of a third party dashboard tool, FreeBoard (Part 1), using the default Dashboard UI nodes provided by default in Node-RED ( Part 2) and a general technique using a standard JavaScript charting tool ( Part 3). In this lecture you will take a look at a few techniques to allow you to visualize data passing through flows.

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