Node-RED: Lecture 3 – Example 3.4 Using the rbe (report by exception) node

In this example, you’ll continue your message analysis theme and add nodes to the part of the flow that is used when you determine that the flow should be analyzed. You’ll be using the rbe (report by exception) node which only passes on data if it has changed. You can set it to examine a message payload and either block until a message changes (rbe mode) or when a messages changes by a specified amount (deadband mode).… Read the rest