Subscribe and Publish with MQTT Nodes, groov & SNAP PAC

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Updated: 11/30/2017

This OptoTutorial shows how to:

  • Use Node-RED to subscribe and publish to an MQTT message stream
  • Parse message strings
  • Display data from a message in groov
  • Push data from groov and from a SNAP PAC controller to a message stream

What you need

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