Got as gift - LaCrosse S82950

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Laszlo Acs

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Apr 18, 2021, 11:46:04 AM4/18/21
to weewx-user

I'm a tinkerer and familiar with Python & many flavors of Linux. I'm doing some preliminary research on this weather station I got for my birthday (haven't even turned it on yet - but the user manual suggests to me that it's got an Android app but no real computer interface and it's married to Accuweather and not wunderground - but I want my own data and keep my own history) and am wondering if WEEWX is a path I should pursue in trying to get more out of the device and the sensors than what comes out of the box. I'm not seeing a driver specifically for this but have some skilz in engineering and sensing/sniffing what's in my wifi network that this beast is going to be connected. So, the question is - I'm looking for thoughts/opinions on whether to take time investment to digging into this with a relatively current LaCrosse device.

-- Laszlo

mwall

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Apr 19, 2021, 12:12:59 AM4/19/21
to weewx-user
it looks like that station uses wifi in two ways:

1) to download weather forecasts from accuweather
2) to upload your weather data to ... ?

read the docs that came with the station, and poke around in the lacrosse app - that should give you more clues

or jump right in:  run a packet sniffer on your network to see if the station is uploading data, and if so, where the data are being sent.  if it is sending to weather underground, then you can capture the data using the weewx-interceptor driver.  if it is sending to lacrosse, and if it is not encrypted, then you might be able to extend the weewx-interceptor driver to understand whatever protocol it is using.

another approach would be to use the weewx-sdr driver.  that uses rtl_433 and a usb sdr dongle to capture the radio signals directly from the sensors.

m
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