Any of the hubs, like the new hobbyboards one will also allow a safe star
topology.
http://www.hobby-boards.com/store/products/4-Channel-Hub.html
On Sun, Nov 4, 2012 at 5:21 PM, Todd Turner <[email protected]> wrote:
> Ok thanks Marcus. I wanted to avoid straightening the network
> because my plan was just to crimp a temp sensor right into an rJ45
> connector, but it sounds like I better loop the data wire back as
> well.
>
> Thanks!
>
> Thanks
>
> Sent from my iPhone
>
> On Nov 4, 2012, at 3:03 PM, Markus Gaugusch <[email protected]> wrote:
>
> > Hi Todd!
> >
> > I've had the following structure:
> > 20 m
> > 6 m
> > 12 m
> >
> > Another leg (even without any connected device) of 10+ m would bring the
> > whole network down. So I'd say: No, it probably won't work. I use CAT5e
> > cable and +5V/1wire/GND on ds2480B selfmade serial adaptor.
> > (DS2480B is the one with most power for long networks AFAIK).
> >
> > But you can try to "straighten" the network by using two wires, one forth
> > and one back for each leg (except for the first and the last leg, of
> > course). That's what I did and it works fine :)
> >
> > best regards,
> > Markus
> >
> >
> > On Nov 4, Todd Turner <[email protected]> wrote:
> >
> >> Anyone have experience with just using a star network? Am I likely to
> >> have issues with 5 or so legs up to 10m long?
> >>
> >> It would make things a lot easier to do it this way then having a
> >> twisted pair bring the 1wire back and feed it into the next sensor
> >> leg.
> >>
> >> Thanks
> >>
> >> Sent from my iPhone
> >>
> >>
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