On Sunday, January 13, 2019 at 1:05:10 PM UTC-5, dehein2 wrote:
>
>
> Maybe one stupid question there: If i install weewx on a raspberry and get 
> a station like the ventus W820, how do they communicate? Do I need a 
> receiver?
>

christian herzog wrote the w820 driver some years ago.  his explanation of 
that project is here:

https://daduke.org/coding/ventus.html

you can get to the code from the weewx wiki:

https://github.com/daduke/ventusw820

it looks like christian used the bluepy library to do the low-level 
bluetooth communication:

https://github.com/IanHarvey/bluepy

it looks like bluepy is available via pip, rpm, and deb, and from a cursory 
browsing of the issues it looks like the rpi is supported.

m 

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