Visual development in Sofia2 with Raspberry, Node-RED and Dashboards


Blog de Sofia2 IoT Platform

6

We have already spoken in previous publications about Node-RED, a tool for visual editing and execution of flows.

In this post will be presented a set of nodes designed to interact with Sofia2 IoT Platform and will present a small demo using those nodes deployed on a Raspberry with a SenseHat sensor.

We will start presenting this set of nodes:

nodos1

We have a configuration node that has a global reach, that is, its state will be shared between flows. This node represents a shared connection with a remote system, in this case the configuration node is responsible for creating the connection (REST or MQTT) and make it available to the other nodes.

As for the other nodes are the performers of the operations of insertion, update, deletion, queries and release of the connection.

The nodes are available in Sofia2’s Github, in the npm repository and in the official Node-RED…

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