On Mon, Jul 19, 2010 at 06:52:55AM +0200, Steinar Midtskogen wrote:
> Thanks, but due to the flexibility of 1-wire, there are some things I
wireless is more flexible than 1-wire :) for me, even if I use both.
> don't see an affordable alternative for, such as snow depth monitoring
> (which was not connected, but was powered, and was killed as well).
> But if something non-1-wire seems better for certain sensors, I'll
> consider that (but I'm still curious about whether owfs supports the
> 1-wire anemometers :).
Can't help with that.
> As for lightning vulerability, wireless data communication wont help
> much if I still have to power it. Or is it solar powered? In which
> case, how much light does it need? We don't receive much sunlight
WMR968 is solar and battery powered, the other options aren't, but I'm told
they last 1-2 years on a set of batteries.
> during the winters in Norway, and a solar panel is likely to
> snow/freeze over. This is a site that I might not even visit during
> the winter if I don't have to, so I'm a bit sceptical about trying
> something completely new. I will need power for the rain gauge for
> sure, since I heat it to melt snow.
Yes, for melting snow you'll need power for sure. For the WMR968, I've heard
it's supposed to last up to a year on batteries, but I have not verified
this myself being in sunny california :)
That said, it would be trivial to put a bigger battery on it if needed.
I agree that 1-wire is nicer for never having to worry about power, but if I
had to worry about ligthening, I'd be too worried about that wire bringing
lightening in, frying my computer and even more.
You decide what's best for you, good luck :)
Marc
--
"A mouse is a device used to point at the xterm you want to type in" - A.S.R.
Microsoft is to operating systems & security ....
.... what McDonalds is to gourmet cooking
Home page: http://marc.merlins.org/
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