Dive Computer Ramblings

[Benjamin]

No experience, but definitely something that I would put down money for.
On 10 Sep 2014 10:27, "Robert Helling" <helling at atdotde.de> wrote:

>
> On 10.09.2014, at 05:56, Dirk Hohndel <dirk at hohndel.org> wrote:
>
>
> Linus started this on Google Plus, but that seemed a rather odd and
> transient place for it.
>
> So I started a new topic on the website. To keep things organized this is
> now under “Misc" together with the “Thanks” page (sorry Linus, the URLs
> have changed slightly).
>
> Linus and I each have posted a page with our thoughts about the dive
> computers we have used. I’ll invite others here to share their own stories.
>
> http://subsurface.hohndel.org/misc/dive-computer-ramblings/
>
>
> Nice one. Reading Linus’ opinion and in particular the „why air
> Integration?“ part let me have an idea what would be nice to have (build?):
> As Linus writes, during the five the air Integration is of little use, but
> the information is interesting afterwards. Plus the main problem with the
> implementation of air Integration is that wireless data connections in the
> water are hard to get right and doing it old style with hoses does not work
> well with wrist mount computers. And things start to get complicated as
> soon as you have multiple cylinders.
>
> So let’s combine that information: It seems to me what you want is not an
> air integrated computer but in fact a data logger that is in a small box
> that sits on the first stage of your regulator like the transmitters do.
> Just have a pressure sensor and a real time clock and write that off to
> flash memory and make that accessible via USB. The electronics with some
> micro controller shouldn’t be too hard to build, but it would be beyond my
> capabilities to put that in a water tight box and make it not explode when
> connected to a 300bar cylinder. But I guess it should be possible to even
> build a prototype for less than 100 currency units roughly.
>
> What do you think? Anybody here with experience in the watertight/pressure
> area?
>
> Best
> Robert
>
>
>
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