gjr80 <[email protected]> writes:

> I'm guessing the WH0290 is just a WH41 outdoor AQI sensor with its own 
> display. If that's the case, and given a GW1000 is reporting AQI data to 

Yes, I am pretty sure that product code WH0290 includes the WH41 outdoor
sensor and a display, and that therefore from the GW1000 and weewx
viewpoint they are the same thing.

https://www.ecowitt.com/shop/goodsDetail/58
https://www.ecowitt.com/shop/goodsDetail/76

I am using rtl_433 to decode the signals from a WH41 (standalone).

(Ecowitt seems to do the same thing of sensor only vs sensor + display
bundle, quite reasonably, with the soil moisture sensor.)

There is a nuance in that the honeywell sensor seems to have some kind
of fake PM10 reading that gets sent in the RF signal.  But it is really
a PM2.5 sensor only.  Ecowitt said that they therefore only display the
PM2.5 reading.  I found that there is a fixed relationship between the
PM2.5 readings and the faux PM10 readings.   It sounds like the GW1000
does not emit the PM10 values, which is good.

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