Node-RED: Lecture 6 – Example 6.7 Multiple inputs on a function node

Example 6.7 Multiple inputs on a function node

Function nodes in Node-RED were designed to process messages as single entities. However, in some cases your functions might depend on two separate data sources. There are many ways to handle these cases in Node RED. The following approach uses the context object in Node-RED and topics to let a function wait for several messages to arrive in order to return.… Read the rest