Netatmo

[Labtec 1]

I want to use my Netatmo devices (rain and wind) for controlling my outside sun shade, so when it starts raining and/or the

wind speed exceeds a certain value I want to close the sun shade. The Netatmo rain and wind sensor are configured in my

HC2 but I can't use this for controlling because they are to slow responding to changes

 

Other solutions?

 

Thanks

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[RH_Dreambox 189]

Quote

HC2 but I can't use this for controlling because they are to slow responding to changes

Hi @Labtec

The problem is not in your HC2, that is Netatmo which is the reason for the long delay.
Netamo only updates the weather data every ten minutes.

At the top left of your Netatmo WEB page you will see the time when your data was last updated.

[Labtec 1]

20 minutes ago, RH_Dreambox said:

Hi @Labtec

The problem is not in your HC2, that is Netatmo which is the reason for the long delay.
Netamo only updates the weather data every ten minutes.

At the top left of your Netatmo WEB page you will see the time when your data was last updated.

Oké, thanks for your reply. Hope that Netatmo take a look at the refresh rate of the API.

[emielstroeve 22]

20 minutes ago, Labtec said:

Oké, thanks for your reply. Hope that Netatmo take a look at the refresh rate of the API.

is an average of 5 minutes to long?? if you shorten the measuring period, your sunshades will flip constantly up and down in typical Dutch weather

[Labtec 1]

 when it starts to rain you want to close your outside sunshade ASAP, I think the Netatmo rain gauge is not suitable for this function.

[emielstroeve 22]

11 hours ago, Labtec said:

 when it starts to rain you want to close your outside sunshade ASAP, I think the Netatmo rain gauge is not suitable for this function.

another approach: when it starts to rain, it's cloudy. So measure the light with a lux meter and close/open the shades when the sun really shines.

[Labtec 1]

Thanks for this option, but here you could also have the "flip" problem  sun/clouds. In this case you must also set the proper adjustments, threshold, timing, delay, etc.

[RH_Dreambox 189]

The best thing would be if we could get direct access to the Netatmo indoor module via an API.
Then we could retrieve data as often as needed.

[Bodyart 231]

On 18-8-2017 at 8:43 PM, Labtec said:

Other solutions?

@Labtec,

 

coul'd this

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be a solution? You have a direct access throu API.

 

Edited August 20, 2017 by Bodyart

[akatar 208]

you can use a rg11 for rain detection

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i have 1 and it works great, with the first drop of water it reports water (with a ubs) and when the rain stops, it waits for 10 minutes to report dry

[petergebruers 1,268]

10 minutes ago, akatar said:

you can use a rg11 for rain detection

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i have 1 and it works great, with the first drop of water it reports water (with a ubs) and when the rain stops, it waits for 10 minutes to report dry

 

Thank you for sharing. I saw that remarkable device some time ago, and I think it is very advanced, but I never bought one. I'm tempted now tell me it is such a nice device. I have found the manufacturer (Hydreon) and the pdf manual. It seems to quite advanced. For instance, it can be configured to replace a "tipping bucket" in an existing system, or can be set to directly connect to a wiper e.g. on a boat... Here's a link to the manual.

 

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[Bodyart 231]

@petergebruers That rain sensor costs USD 128; for USD 224 you can have the complete weather station i mentioned before.

21 minutes ago, Bodyart said:

coul'd this

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be a solution? You have a direct access throu API.

 

[Labtec 1]

Thanks guys! I will take a look at your suggestions 

 

 

[tinman 1,070]

1 hour ago, petergebruers said:

 

Thank you for sharing. I saw that remarkable device some time ago, and I think it is very advanced, but I never bought one. I'm tempted now tell me it is such a nice device. I have found the manufacturer (Hydreon) and the pdf manual. It seems to quite advanced. For instance, it can be configured to replace a "tipping bucket" in an existing system, or can be set to directly connect to a wiper e.g. on a boat... 

 

hmm, in combination with z-uno (the best i think is to read rs232 and relais as well) one could "easily" implement it into z-wave network (sure UBS is good enough for only rain detection)

[petergebruers 1,268]

2 hours ago, tinman said:

 

hmm, in combination with z-uno (the best i think is to read rs232 and relais as well) one could "easily" implement it into z-wave network (sure UBS is good enough for only rain detection)

 

 that is a very tempting idea. Maybe I can put the RG-11 on my 2018 budget .

 

4 hours ago, Bodyart said:

@petergebruers That rain sensor costs USD 128; for USD 224 you can have the complete weather station i mentioned before.

 

 

Sorry, I forgot to say it is an interesting device, and thanks for sharing.

 

I think the RG-11 will last longer and will be more reliable, based on the technology they use. I cannot tell from experience, but on paper their solution is very robust... Rain sensors on cars use a similar optical approach.

 

The "weatherFlow" seems to use a home grown "haptic sensor". They say it uses capacitance and pressure (I think they actually mean "vibration" or "sound") so on paper that sounds very robust too. I do not understand "accuracy compares to a large tipping bucket" because that would suggest high accuracy but slow response. Yet they detect start of rain. Maybe it is the cleverness of the algorithm that combines info from the sound sensor and the capacitive sensor. To be tested.

 

I happen to know the Si7021 temp and humidity sensor, I use it too. It is very good.

 

I have seen projects based on the AS3935 lightning sensor. I do not have one. I am sure it will work. But I have not yet found an application for such a sensor. It sure is fun to graph an approaching thunderstorm.

 

Does this thing need an internet connection? They say it buffers several weeks of data, and transfers data to the app when possible. But does the app need some central server?

[Bodyart 231]

4 hours ago, petergebruers said:

The "weatherFlow" seems to use a home grown "haptic sensor". They say it uses capacitance and pressure (I think they actually mean "vibration" or "sound") so on paper that sounds very robust too. I do not understand "accuracy compares to a large tipping bucket" because that would suggest high accuracy but slow response. Yet they detect start of rain. Maybe it is the cleverness of the algorithm that combines info from the sound sensor and the capacitive sensor. To be tested.

Hi @petergebruers,

 

I'm dying to test my Weatherflow station. It shoul'd arrive here about september (if i believe their timeline).Ofcourse I'll place a short review here after installation and testing. IMHO it seems to have a good scientifical approach and maybe the potential to "beat" Netatmo. We'll see about that after extensive testing the acuracy that requires a huge amount of data, but if i'm luky and that thing arrives in autum, where the weather can change often, then i'll get enough experience to make a small review.

B.T.W. Their device in development "Breath" (the indoor air quality sensor) seems to become very interesting.