Well, I opened it up and had a look, the 8 directions each with 4 volt
readings, translates to the following table.
1 2 3 4 5 6 7 8
A *0 4.5 4.5 4.5 *2.3 4.5 4.5 4.5
B 4.5 *0 4.5 4.5 4.5 *2.3 4.5 4.5
C 4.5 4.5 *0 4.5 4.5 4.5 *2.3 4.5
D 4.5 4.5 4.5 *0 4.5 4.5 4.5 *2.3
I notice much talk of RRD, and it does look interesting, but I was thinking
I would keep my data for many years and writing the graph code is part of
the challenge for me.
Mysql would be my db of choice, but the interpolation features of RRD look
intriguing.
I think I may use this project as an opportunity to play with python, I hear
nothing but praise for this language.
Thanks
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Alfille,
Paul H.,M.D.
Sent: Friday, 3 June 2005 2:18 AM
To: [email protected]
Subject: RE: [Owfs-developers] 1wire weather station v3
Yes. "Take the time" is a task that is automatically done by RRD, when you
insert a new data. It also calculate a "rate" from your consecutive
readings. So this is trivial.
> With the wind direction, there seems to be 4 analogue volt readings,
> I'm really not sure how this translates into direction.
I remember seeing the wiring schematic on the web. It would probably be even
easier to just look at the values, turn the vane, and look again.
When you get it figured out, can you report your findings?
Paul
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