On Monday, 20 February 2017 13:04:47 UTC-4, wysiwyg wrote:
>
> Many thanks for so quick answer and wiki link. I will read this page
> carefully !
>
> One more question:
> Would it make sense to use topic instead of all data in one topic ?
> I mean
> weather/outside/temperature = 21
> weather/outside/humiduty = 77
> weather/inside/temperature = 21
> ....
> This is just an open question, I know mqtt since yesterday so, only have a
> noob point of view :D...
>
Yes, I believe that would be more in keeping with the design of MQTT. I
have not done it yet, though. I am new to MQTT also, but I like its
potential.
>
>
> I understand your solution for the timestamp. The only issue I see is that
> it might slightly delay data...weewx will consider reading time as the
> measurement time which might be a few seconds earlier.
> but it does not seems critical for most measurement.
>
I agree. I might add a realtime clock to my station someday. Currently I am
working on getting it powered by PV cell.
>
> Regarding raingauge, you may know that there are some raingauge with
> heating function to melt the snow ;-ppp
> More seriously: from what I have seen: there is this Rainwise "1wire"
> compatible rain gauge. it uses a DS2423 counter IC.
> As far as I understand, this IC just count the ticks: I mean it starts
> from 0 and just count, always up, never goes down.
>
> Then, you can read it every minute, hour, day to calculate the minute,
> hourly or daily total rain (for the rainwise, 1 tick = 0.25mm)
> This calculation should be easy to do in an ESP8266 (or anything arduino,
> whatever like).
> We just need to know how to feed weewx correctly :-)
>
> If I correctly understand (also after looking the "fileparser" driver).
> The data we have to feed in the driver match the database schemas.
> there is only 2 rain data here.
> ('rainRate', 'REAL'),
> ('rain', 'REAL'),
>
>
>
I know some others have extended the schema, but I think you are on the
right approach: do some work in the weather station and provide baseline
data to weewx.
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> Le lundi 20 février 2017 17:13:36 UTC+1, Bill Morrow a écrit :
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