Wireless temperature sensors

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stuffed

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#198539 13-Jul-2016 09:05

Anyone had experienced with wireless temperature monitoring for the home?
Could be via smartphone or wifi to a PC.
Initially want to monitor heated concrete slab temperature.
Ok, currently using a data logger but there must be something wireless but can't track anything available in NZ.
Thanks

Why work on Wednesday and stuff up 2 good long weekends

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#1590815 13-Jul-2016 09:15

UBNT mFi may be an option. Just do your homework first as these products are effectively EOL but will still be manufactured and supported for some time yet.

tchart

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#1590816 13-Jul-2016 09:16

Netatmo? I have one. Works great.

http://www.netatmo.co.nz/weatherstation.html

I guess it depends exactly what you are doing.

rendezvous

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#1590852 13-Jul-2016 10:22

Oh, well now I want one of those!

chimera

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#1590854 13-Jul-2016 10:38

tchart:

I guess it depends exactly what you are doing.

*EXACTLY*

Otherwise, a bit gimmicky and I'm sure the excitement would wear out. I do hear very good reviews about Netatmo though.

I think with any sensor in your house, there is little point unless it integrates and automates something else in your home to provide value to you. For example, if it just says "its sunny outside and 21 degrees" or "chances of showers this afternoon", well... you can look out the window to generally work that out or logon to any one of thousands of web sites to obtain that information for free. If however, it detects for example, the lounge temperature is getting too hot so then triggers a window to automatically open or an aircon unit to turn on, then you're utilising that product to its full potential.

What exactly do you want to achieve with a wireless temp sensor?

tchart

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#1590871 13-Jul-2016 11:08

chimera:

Otherwise, a bit gimmicky and I'm sure the excitement would wear out. I do hear very good reviews about Netatmo though.

@chimera. Exactly.

I primarily went with Netatmo as it integrates with IFTTT and has a reasonaly REST API.

Currently it sends me alerts etc when the CO2 in the house is high, the temperature drops too low etc.

And now that I've got my Orvibo AllOne working with IFTTT it will soon turn on my heat pump too.

bcourtney

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#1590873 13-Jul-2016 11:12

chimera:

tchart:

I guess it depends exactly what you are doing.

*EXACTLY*

Otherwise, a bit gimmicky and I'm sure the excitement would wear out. I do hear very good reviews about Netatmo though.

I think with any sensor in your house, there is little point unless it integrates and automates something else in your home to provide value to you. For example, if it just says "its sunny outside and 21 degrees" or "chances of showers this afternoon", well... you can look out the window to generally work that out or logon to any one of thousands of web sites to obtain that information for free. If however, it detects for example, the lounge temperature is getting too hot so then triggers a window to automatically open or an aircon unit to turn on, then you're utilising that product to its full potential.

What exactly do you want to achieve with a wireless temp sensor?

Please, this is geekzone! Why should anyone require reasons for introducing more technology and gadgets in to their lives??

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mentalinc

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#1590877 13-Jul-2016 11:19

Also interested.

I've been looking at arduino type devices then digital temp and humidity sensors.

somehow glue it all together to report temp back via wifi to central location/webserver for now.

Maybe look to then use it to turn heater on and off if wifi enabled power boards exist...

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chimera

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#1590880 13-Jul-2016 11:20

bcourtney:

chimera:

tchart:

I guess it depends exactly what you are doing.

*EXACTLY*

Otherwise, a bit gimmicky and I'm sure the excitement would wear out. I do hear very good reviews about Netatmo though.

I think with any sensor in your house, there is little point unless it integrates and automates something else in your home to provide value to you. For example, if it just says "its sunny outside and 21 degrees" or "chances of showers this afternoon", well... you can look out the window to generally work that out or logon to any one of thousands of web sites to obtain that information for free. If however, it detects for example, the lounge temperature is getting too hot so then triggers a window to automatically open or an aircon unit to turn on, then you're utilising that product to its full potential.

What exactly do you want to achieve with a wireless temp sensor?

Please, this is geekzone! Why should anyone require reasons for introducing more technology and gadgets in to their lives??

Hahaa true!

stuffed

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#1590887 13-Jul-2016 11:27

Ok as I said am wanting something to monitor the heated concrete slab. We have 9 zones in the house with electric in floor heating and the whole network is controlled by a time clock.
It makes a huge difference to the volume of units consumed obviously by the optimum time to switch the whole network on and off.
Am wanting something "off the shelf" and not a techo "do it yourself" system!
Thanks.

Why work on Wednesday and stuff up 2 good long weekends

chimera

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#1590892 13-Jul-2016 11:29

mentalinc:

Also interested.

I've been looking at arduino type devices then digital temp and humidity sensors.

somehow glue it all together to report temp back via wifi to central location/webserver for now.

Maybe look to then use it to turn heater on and off if wifi enabled power boards exist...

Yeah WiFi power boards do exist, if you Aliexpress them you need to be really careful on what you buy. I got 3 of them, but they cannot be hacked. I've tried. There are ones that can be hacked (so you can interface to it via an HTTP URL to turn on / off) but you have to get the exact right model to do this.

In regards to Arduino type builds, very easy to do. There are plenty of projects on instructables.com that show you how. I have DHT22 in my Arduino garage door opener to get temperature from the Garage (for no reason at the moment except, just because I could) However you're better off using ESP8266 than Arduino IMO. Smaller footprint and wireless.

What you're effectively talking about is home automation, so start using OpenHAB or Home Assistant as the interface/controller, ESP8266 with DHT22 temp sensor as the sending unit and MQTT (such as mosquitto) as the messaging broker that wirelessly sends temperature data between ESP and home automation controller. OpenHAB for example comes with a free phone app, so can view temperature readings on your phone.

For example on my phone:

chimera

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#1590902 13-Jul-2016 11:35

stuffed: Ok as I said am wanting something to monitor the heated concrete slab. We have 9 zones in the house with electric in floor heating and the whole network is controlled by a time clock.
It makes a huge difference to the volume of units consumed obviously by the optimum time to switch the whole network on and off.
Am wanting something "off the shelf" and not a techo "do it yourself" system!
Thanks.

In that case go buy a Fibaro Home Center 2 and related relays and sensors if you want to install yourself.

You will want the flood sensor (also can monitor floor temperature), the home center can be programmed with rules to turn things on/off as needed.

http://www.fibaro.com/nz/the-fibaro-system/flood-sensor

Not sure where in NZL you are, but if in Auckland and you want a system like this quoted / installed, give Rhys a call http://www.digihome.co.nz/

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stuffed

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#1590913 13-Jul-2016 11:55

Thanks for that link - any idea of the cost range?
We are away down in the wops - Queenstown area!

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SumnerBoy

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#1590923 13-Jul-2016 12:12

These guys are based in Wanaka - I have had no dealings with them however so couldn't recommend either way.

davidcole

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#1590936 13-Jul-2016 12:48

I've just put a DHT11 Sensor on a Raspberry pi I had spare. Not currently wireless but it could be, and then I added a python script to talk to Maker which updates a google drive spread sheet every 10 mins.

Then I added a second script to output to ThingSpeak.com so it can make some pretty graphs for me.

The APIs for both were pretty simile and took < 10 mins each to get going.

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#1590950 13-Jul-2016 13:08

You mean one of these?

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