Node-red nodes pass the msg object between nodes. However this object is replaced by the next msg object. So how do you store data between node calls? Node-Red provides three mechanisms: The context object -stores data for a node The Flow object – stores data for a flow The global object -stores data for the canvas Click to rate this post! [Total: 9 Average: 4.9]
Continue readingAuthor: steve
Steve is the creator behind Steve's Node-RED Guide, a resource dedicated to industry, business, and home automation enthusiasts. He demonstrates how Node-RED, an open-source flow-based programming tool, can be used as a single platform for
endless applications—from running smart homes and industrial processes to automating business work flows.
Understanding and Using The Node-Red Message Object
A node red flow consists of a series of interconnected nodes.(wired nodes). All nodes must have an input and can have 0 or multiple outputs. Nodes exchange data between each other using the msg object. Click to rate this post! [Total: 3 Average: 5]
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