Pabitra,
Look at X-10 or whatever other name it might go under, now. I believe you will find remote thermometers, and you can probably relay that back to an existing computer. From there you can find apps that will chart or graph it and but it on a web site. Also look at remote home control and monitoring for examples.
The one thing Wilton is trying to do this one thing, cheaply. That is the trick. With the temperatures of a hot tub and the need to be waterproof, that is not going to be easy.
Let us know what you find, Wilton.
Brent
On Jun 23, 2013, at 12:57 PM, Pabitra Saha wrote:
Interesting project.
Even I would be keen to know the solution.
I have not seen a IP thermometer.
Best
PKS
On 23 Jun 2013, at 21:51, "Wilton" <wilton.hart@gmail.com> wrote:
> I have been looking for a way to monitor the temperature of my hot tub from my iPhone.
>
> I recently connected the hot tub up to a solar array and getting the controls working correctly has been a major challenge. The solar panels are below the hot tub so when the controller shuts the pump off, there is still convection flow. This often makes the hot tub 8 to 10 degrees hotter than the max set point of the controller. Once the pump shuts off the panels can still boil. This sounds like there is an elephant walking on my deck.
>
> I would like to find some sort of box that would measure the temperature and put it on a web page so it could be accessed from the iPhone. The hot tub area is covered by my home WiFi.
>
> There are commercial units that would do this, plus lots of other things but it is not worth the $200 to $500 that they want for the device.
>
> Any ideas?
>
> Wilton
>
>
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