[kwlug-disc] Radon in Home Assistant?

[Khalid Baheyeldin]

Answering my own question, so others may have some starting points ...

The AirThings Corentium Home radon detector is on sale ($137) now at both
Home Depot and BestBuy
<https://www.bestbuy.ca/en-ca/search?path=soldandshippedby0enrchstring%253ABest%2BBuy&search=radon>
.
This is the detector I have been using intermittently since January.
It has an LCD screen, and does not give history.

BestBuy also has the AirThings Wave Plus ($50 off), which has Radon + VOC
and CO2, as well as temperature, humidity and atmospheric pressure.
The device only has a red/yellow/blue LED when you wave in front of it, and
everything else is done via a phone app, which means the data is "in the
cloud".
Since its only interface is Bluetooth Low Energy (BLE), it can therefore be
queried from a Raspberry Pi 3 or 4.
Since I used Home Assistant, like many on this mailing list, that is how I
want to interface to it.
That allows having graphs that show the levels over time, as well as
automations that give you an alert if something is higher than a certain
threshold.

An upcoming release of Home Assistant (November ?) will have built in
support for AirThings devices without the need for a cloud account (as
things are now).
In the meantime, there are several projects on Github that allow this
integration. Several of them throw errors of various kinds (dependencies).
The one that worked for me is airthings-mqtt-ha
<https://github.com/mjmccans/airthings-mqtt-ha>, which is basically a
standalone daemon that sends the values from the Wave Plus to MQTT.
If you already have MQTT, then this is a viable option, and allows certain
flexibility (sensor names, ...etc.)
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://kwlug.org/pipermail/kwlug-disc_kwlug.org/attachments/20221012/f77379d2/attachment.htm>