Embedded Data Systems has exactly that in their "Environmental Sensors"
(which is tested and supported by owfs).
http://owfs.org/index.php?page=eds-enviromental-sensors
Different models also can sense humidity, pressure and light.
2011/10/27 Patryk <[email protected]>
> Dnia 27-10-2011 o 09:55:38 Phil White <[email protected]>
> napisał(a):
>
> > What I need is for a relay to automatically trigger (or, even better,
> > for 1 of 2 relays to trigger depending on Hi/Lo) *WITHOUT* any
> > commands or communication over the 1-wire network. 1-wire would be
> > used simply to program the device in the first place.
>
> There DS1821 it's almost what you want.
>
> http://www.maxim-ic.com/datasheet/index.mvp/id/2794
>
>
> --
> p4trykx
>
>
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