Buying a new weather Station

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Kartes
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Joined: Sunday 03 June 2018 15:16
Target OS: Raspberry Pi
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Buying a new weather Station

Post by Kartes » Thursday 09 August 2018 20:33

Hey all,

I'm quite new to this forum and i need a some help. I've got an Eurochron EIWS 1 in my garden that only works with the Wundergrounds API. I recently found out that the API keys used to be free but now they're not. That's why i am looking for a replacement for my current Eurochron.

I'm looking for something like i have at the moment, i've found some stations but they have several individual sensors, i'm looking for one complete unit. I need a bit of help on buying one.

I need to be able to connect it to an API so that i can use the data from the station in Domoticz.

lotte3500
Posts: 3
Joined: Friday 03 August 2018 21:58
Target OS: Raspberry Pi
Domoticz version: 4.9700
Location: Roermond - Netherlands
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Re: Buying a new weather Station

Post by lotte3500 » Thursday 09 August 2018 22:14

If your station is sending data to weather underground I am guessing that it is using WiFi to do so.

I have the weatherstation Ventus W830, which is also sending data to weather underground using WiFi. I am able to intercept this data using weeWX (http://www.weewx.com/).
I use the weeWX intercepter extension to extract the URL that is being send to weather underground.
https://github.com/matthewwall/weewx-interceptor

At this point you have extracted the weather station data locally. Which can also be seen in a web page for example.

For weeWX there is also an extension that can upload data to an MQTT broker
https://github.com/weewx/weewx/wiki/mqtt

I installed mosquitto and I am using Node-RED to listen to these messages and translate them into JSON strings that domoticz can understand.
https://www.domoticz.com/wiki/MQTT

For me it is working very well, it sends messages to domoticz every 10 seconds give or take.
Although you have another weather station, I think this approach will work for every WiFi weather station.

Kartes
Posts: 4
Joined: Sunday 03 June 2018 15:16
Target OS: Raspberry Pi
Domoticz version:
Contact:

Re: Buying a new weather Station

Post by Kartes » Thursday 09 August 2018 22:30

wow, this looks interesting... The main reason for me to buy a new weatherstation was that WU isn't giving free API keys anymore. I'm going to try your solution first before i'm buying a new one. Thanks a lot!

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