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
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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! 
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:
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You mean one of these?
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