Vince,
Thanks for the reply.
I'm using VmWare as my virtualization engine using intel architecture. The
Weewx is running under a virtualized Redhat 8 instance.
1) Thanks! I will look into adding a broker. So if I get this correct the
Raspberry PI will send to the broker and the Redhat 8 server running Weewx
will pick up the message from the broker?
2) I kind of figured that too. I see no way to switch between two
frequencies with just one SDR running. I ordered another SDR so now I'll
have two of them running.
3) I was thinking Purpleair too. That would probably be the easiest if it's
supported by a plugin.
Thanks a lot. This has helped me understand were I need to go with this.
Regards,
Glen
On Friday, January 13, 2023 at 10:37:10 AM UTC-8 vince wrote:
I guess I have to ask what kind of computer is running your virtual
machine, and what virtualization software are you running. We kinda need
to know your whole setup from a hardware perspective.
For (1) FWIW - I use MQTT. I run a primary Davis VP2 station connected to
a pi4. I run a secondary Ecowitt weewx station in a Docker container on a
Ubuntu x86_64 host that publishes its data to MQTT using the MQTT
extension. The Davis weewx subscribes to the MQTT data using the
MQTTsubscribe extension. That means running a MQTT broker someplace in the
middle of course, but I do that in Docker as well. It's simpler in
practice than it sounds.
For (2) I *think* you need separate instances and radios to listen for each
frequency, but I might be mistaken there. For the AQ stuff, it depends on
what you buy. If you go PurpleAir there's an extension for that. If you
go with a Davis Airlink, you could probably modify the purpleair extension
I'd think. The two are very similar.
For (3) there are too many possibilities to answer there. Personally I
really like MQTT as a central collector of stuff from all kinds of sources,
and MQTTsubscribe on my primary weewx box to grab the readings I'm looking
for, unless there's an explicit extension already that I can use directly
(purpleair, for me).
Adding a MQTT broker (use mosquitto) is very easy to do and lightweight.
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