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Node-RED Integration ​

NeuronEX integrates Node-RED, a popular open-source visual programming tool that uses a flow-based development approach. This integration allows users to leverage Node-RED's rich node library to perform complex data processing on data collected and managed by NeuronEX, and build custom workflows.

Availability ​

Starting from NeuronEX version 3.6.0, Node-RED v4.0.9 is integrated by default in the following Docker images:

  • emqx/neuronex:3.6.0-ai
  • emqx/neuronex:3.6.0-ai-arm64

For other installation packages (such as deb, rpm, zip) or other Docker images, Node-RED is not integrated.

Enabling and Accessing Node-RED ​

By default, the Node-RED service is disabled. You can enable and access it through NeuronEX's Application List.

  1. Navigate to Application -> Application List from the left menu.
  2. You will see the node-red application in the list, along with its Version (Node-RED v4.0.9) and current Work Status.

Node-RED display in Application List

  • Enable/Disable Service:
    • In the Operations column of the node-red entry, use the toggle switch to start or stop the Node-RED service.
    • When the service is running, its Work Status will display as "Running".
  • Access Node-RED UI:
    • Once the Node-RED service is running, click the "Enter" icon in the Operations column, which will open the Node-RED interface in a new browser tab, allowing you to create and manage your flows.

Sending Data to Node-RED ​

NeuronEX supports pushing data to your Node-RED flows for further processing through the following methods:

  • Northbound Websocket Application: You can configure a Websocket application in NeuronEX to send data. Then in Node-RED, you can use the websocket in node to connect to this Websocket endpoint from NeuronEX to receive data.
  • Data Processing Module REST Sink: Utilize the REST Sink in NeuronEX's data processing module. Configure the REST Sink to POST data to HTTP endpoints you create in Node-RED using the http in node.

This integration enhances NeuronEX's capabilities by allowing users to intuitively design data manipulation, transformation, or integration logic in the familiar Node-RED environment.