New answers tagged temperature
If you are on the cheap and can afford running wires there is a cheap & efficient solution : Rasperry Pi ( Appx $40 ) Dallas 1-wire DS18B20 sensors ( Appx $2.5 each ) Spare Wire The sensors can be connected to the Pi without requiring an external adapter, then you can run a Home Automation supervisor such as OpenHAB to monitor it and triggers ...
You may be able to use a propane or natural gas powered fridge. They have no moving parts that would break; in the extreme cold, I'd imagine that only the pilot light would be on. I've stayed in a cabin that had one of these that was regularly exposed to -25 F, and it lasted for 40+ years. http://home.howstuffworks.com/refrigerator5.htm
Another option is an inline thermostat that will literally cut off all power to the frig once the temp drops below a certain point. That will prevent it from running when the temp is so low it could damage the frig. Something like this: Wiring diagram: It's good for 10 amps which should be plenty for a frig. $18 on Amazon ...
Smart Things offers a temperature sensor. You could then use their system to have it report the temperature to their ecosystem with alerts if it goes below or above a certain point as well as looking at it any time you would want from anywhere. For extra bonus, you could hook it up to Xively and get graphs out of the system.
For DIY you could use a RaspberryPi with a RaZberry (z-wave module for the Pi). RaZberry comes with a web-app and mobile apps. But you have to bring your controlling web-app into the net and care about the security! This way you can use standard z-wave products. In this case a radiator thermostat.
http://www.smarthome.com/la-crosse-technology-server-room-wireless-temperature-and-humidity-monitor.html plus many others on smarthome.com Another solution is to get an insteon thermostat at smarthome with a universal devices ISY 994i series controller will allow for advanced automation in the future. (disclaimer: I have many insteon devices and a ...
One example for an out-of-the-box solution is RWE Smarthome They have a special temperature package, but unfortunately their shop seems to be in German only. There is another solution by Devolo. Both of them use portal you connect to, and offer mobile apps to control your system. But I think there are many other producers/distributors.
I don't see how a fridge could keep food above 32º in sub-freezing temperatures unless it was specifically designed for that and has a heater. I assume that's how "The Gladiator" works? Frankly I don't believe that forum where someone claims stuff won't freeze. Maybe if it just dips below freezing for a few hours overnight, but long term there's just no ...
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