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Monitor raspberry pi cpu temperature12/20/2023 ![]() ![]() Other useful nodes that can be added the same way. The Display Nodes (Dashboard) are not installed by default and have to be added - at the top right is a menu (three horizontal bars) and you need Manage Palette and search for node-red-dashboard on the Install tab and Install - you will then find a suite of powerful display nodes in the left hand panel. The display nodes are very powerful and it is as easy to display on a dial or graph as a number on a dashboard. Nodes can generate messages, change messages as they pass through (a function node) and display messages on the dashboard amongst many other things. ![]() To the right of the screen is a multi purpose sidebar (panel) which can display debug information, help and several other panels useful for configuration and diagnostics and importantly it allows one to configure a separate Dashboard - a User Interface (ui) to display and control the system. In essence these streams of messages are asynchronous and everything is event driven. What this is doing is connecting a series of messages between outputs and inputs each of which has a payload. Node-RED works on the basis of a pictorial workspace where you can drag a selection of nodes from a palette on the left of the workspace and connect them together by dragging from a nodes output to another's input. Node-RED takes while to get used to - I wrote some notes when I started which may help you: ![]()
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