Re: Dimming

[nicholas@xxxxxxx]

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/
---------------------------------------------------------------------_->