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Re: Dimming


  • To: ukha_d@xxxxxxx
  • Subject: Re: Dimming
  • From: nicholas@xxxxxxx
  • Date: Tue, 07 Nov 2000 17:23:25 -0000
  • Delivered-to: rich@xxxxxxx
  • Delivered-to: mailing list ukha_d@xxxxxxx
  • Mailing-list: list ukha_d@xxxxxxx; contact ukha_d-owner@xxxxxxx
  • Reply-to: ukha_d@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
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