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==Introduction==
In a typical Industrial IoT (IIoT) scenario, the edge devices like the [[MISC-TN-004:_Running_Debian_(armbian)_on_SBCSPG#The_hardware_platform|SBCSBP gateway]] are installed and used by personnel who have limited or no programming skills at all. Nevertheless, these operators are required to implement simple automation processes with edge devices. To address this situation, no-code visual development tools can be used. [https://nodered.org/ Node-RED] is an example of such tools. According to the official home page of the project, it is defined as:
''... a programming tool for wiring together hardware devices, APIs and online services in new and interesting ways.
It provides a browser-based editor that makes it easy to wire together flows using the wide range of nodes in the palette that can be deployed to its runtime in a single-click.''
This Technical Note (TN) shows how Node-RED can be installed and used on the SBCSBP gateway.
==Installing Node-RED==
Installing Node-RED is quite strightforwardstraightforward. Essentially, you need to follow the procedure described [[https://nodered.org/docs/getting-started/raspberrypi here]].
First, make sure that the <code>build-essential</code> package is installed:
