MQTT

MQTT is a lightweight, efficient messaging protocol designed for communication between devices in constrained environments. It follows a publish-subscribe pattern, where devices communicate t

Base station MQTT server

Seamlessly integrating with MQTT, the industry-standard communication protocol, our Base station empowers you to effortlessly connect your Aranet sensors to existing automation and control systems, enhancing efficiency and streamlining operations like never before.

Here are some things that might be of interest:

Sample MQTT data

For message format, please see: Aranet Pro MQTT description v1.4

Sample sensor data from the demo Aranet Pro base station is published in MQTT RAW format on the public HiveMQ broker broker.hivemq.com, and anybody can subscribe to such data on topics Aranetest/# or Aranetest/394260700033/#.

Time field in MQTT

"Time" in Aranet Pro MQTT message means measurement time expressed in Unix microtime format: { "atmosphericpressure": "101580", "co2": "1016", "co2Abc": "0.000000", "humidity": "65.0", "temperature": "22.150", "rssi": "-40", "time": 1631193635, "battery": "0.70" }

Unix microtime format presents the number of milliseconds since 1 January 1970 00:00:00UTC. This format can be converted to human format, f.e. by https://www.epochconverter.com/. In our sample "1631193635" corresponds to GMT Thursday, 9 September 2021 13:20:35.

JSON format messages

It is possible to select the JSON in Sensor measurement format configuration in graphical user interface menu MQTT:

Connection to Azure/AWS or other brokers

See the document here: https://assets.aranet.com/documents/Aranet_PRO_MQTT_description_v1.4.pdf