RE: Re: Dimming

[Stuart Grimshaw <stuart@xxxxxxx>]

Never having used them, I wouldn't know, but the 1-wire mailing list is
usually quite good. It has end users as well as Dallas Engineers on it, so
someone would be able to help you.

On Tue, 07 Nov 2000 17:36:05 Williams Christopher C wrote:
> I am thinking of using some of these.  Have you considered how to
> isolate the 1-Wire bus from the mains?  Can you get analogue
> opto-couplers?
>
> Chris
>
> > -----Original Message-----
> > From:	nicholas@xxxxxxx [SMTP:nicholas@xxxxxxx]
> > Sent:	Tuesday, November 07, 2000 5:23 PM
> > To:	ukha_d@xxxxxxx
> > Subject:	[ukha_d] Re: Dimming
> >
> > Thanks Stuart - I think I'm going to go for this solution. The
Dallas
> > digital potentiometer seems to work with a one wire system -
> >  'Multiple DS2890 devices can reside on a common 1-Wire network
and
> > be operated independently of each other'.
> >
> > Nick
> >
> >
> >
> > --- In ukha_d@xxxxxxx, Stuart Grimshaw <stuart@s...> wrote:
> > > IIRC, Dallas Semiconductor do a digital potentiometer. Have
a look
> > around
> > > their website http://www.dalsemi.com
> > >
> > > On Mon, 06 Nov 2000 20:43:44 Nicholas Bustin wrote:
> > > > I find X10 clumsy and unreliable.  I have been able to
utilize a
> > triac,
> > > > and
> > > > a variable resistor plus some other stuff to dim a
light, but
> > using a
> > > > variable resistor defeats the point... what I need to
be able to
> > do is
> > > > dim
> > > > the light using something like a PIC. I don't know how
to do
> > this, as at
> > > > requires precise timing with the mains frequency, as
far as I
> > know. Can
> > > > anybody help? Anybody know how X10 dimmer modules work?
> > > >
> > >
> > >                                     ,,,
> > >                                    (o o)
> > > ===============================oOO==(_)
> > ==OOo==================================
> > > Stuart Grimshaw
> > > sg@s...
> > > Special Projects Developer   www.schoolsnet.com             
 t:
> > 07976
> > > 625221
> > > Schoolsnet LTD                 .oooO  Oooo.                 
 f:
> > 0870
> > > 7060260
> > > ===============================(   )==(
> > > )===================================
> > >                                 \ (    ) /
> > >                                  \_)  (_/
> >
> >
> > -------------------------- eGroups Sponsor
> > -------------------------~-~>
> > eGroups eLerts
> > It's Easy. It's Fun. Best of All, it's Free!
> > http://click.egroups.com/1/9698/3/_/2065/_/973617816/
> >
---------------------------------------------------------------------_
> > ->
> >
> >
>
>
> --
> The Information contained in this E-Mail and any subsequent
> correspondence
> is private and is intended solely for the intended recipient(s).
> For those other than the recipient any disclosure, copying,
distribution,
>
> or any action taken or omitted to be taken in reliance on such
> information is
> prohibited and may be unlawful.
>
>
>
>
>

,,,
(o o)
===============================oOO==(_)==OOo==================================
Stuart Grimshaw
sg@xxxxxxx
Special Projects Developer   www.schoolsnet.com               t: 07976
625221
Schoolsnet LTD                 .oooO  Oooo.                   f: 0870
7060260
===============================(   )==(
)===================================
\ (    ) /
\_)  (_/


-------------------------- eGroups Sponsor -------------------------~-~>
Create your business web site your way now at Bigstep.com.
It's the fast, easy way to get online, to promote your business,
and to sell your products and services. Try Bigstep.com now.
http://click.egroups.com/1/9183/3/_/2065/_/973619618/
---------------------------------------------------------------------_->