Airrohr decoder#

About#

Ingest telemetry data from air particulate measurement devices of the Sensor.Community (formerly Luftdaten.Info) project running the Airrohr Firmware.

Appliance#

The sensor appliance is based on an ESP8266. It supports the SPS30, SDS011, DHT22, BMP180, BMP/E 280, NEO-6M sensors and many more.

The system can submit measurement data to different sinks in various formats (Sensor.Community, Madavi, OpenSenseMap, AirCMS, InfluxDB, CSV) and also a custom HTTP API endpoint.

Configuration#

Getting the system configured properly is important, please read this section carefully.

Settings#

Let’s imagine a communication channel address and a device identifier.

Channel: universe/milky-way/earth-one

Device: node-42

The appropriate settings for the Airrohr settings dialog would then be

Server: daq.example.org
Path: /api-notls/universe/milky-way/earth-one/node-42/custom/airrohr
Port: 80

Please note the /custom/airrohr suffix here.

Example#

Submit an example JSON message payload to the HTTP API:

http https://raw.githubusercontent.com/daq-tools/kotori/main/doc/source/handbook/decoders/airrohr.json \
    | http POST http://daq.example.org/api-notls/universe/milky-way/earth-one/node-42/custom/airrohr

The payload will be forwarded to this MQTT topic:

universe/milky-way/earth-one/node-42/custom/airrohr.json