MQTT Topics

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With MQTT as the standard means of wiring nodes on a network together, the way signals are routed comes down to the MQTT topic structure. Access to topics can be protected with different rights to different users, and wildcard filtering.

The topic is in effect the variable name. The content of the message is the value.

Topics work like a directory structure.

  • Topic: uk/london/se/building10/riser3/sensors/kPa/index
  • Value: 67.5
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