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Re: Dallas 1 wire equipment/temp sensors


  • Subject: Re: Dallas 1 wire equipment/temp sensors
  • From: "gearboxgraeme" <gkjones@xxxxxxxxxxx>
  • Date: Fri, 29 Oct 2004 06:40:09 -0000




This is a good unit - uses a single 12c508 pic chip and 4 of the=20
DS1820 sensors. Ive been using one under both windows ( direct serial=20
port ) and linux via a Lantronix terminal server for over 2 years. I=20
extended the cables ( 2 direct cables and 2 extended over cat5 ) to=20
put them in various rooms.

Ive had no problems at all.

Just to mention that I have 3 of those maplin LCD temperature mobiles=20
running reliably into a pic 16f84 using some homebrew code to provide=20
me with rs232 data in an identical format to that output by the=20
quasar unit. The code is a bit messy but unchanged in the last 6=20
months.

( Must document this little project - piccies, website, pages, and=20
all the other automation Ive written myself. )

If anyone wants a copy of the circuit diagram and the source code=20
drop me a line and I can sort one out.

Cheers - Graeme




--- In ukha_d@xxxxxxx, "rb_ziggy" <richard.boreham@n...>=20
wrote:
>=20
> You could use the Quasar serial interface kit. It uses the dallas=20
> sensor and they sell them for =A33.95
>=20
> http://www.quasarelectronics.com/3145.htm
>=20
> Regards
>=20
> Richard
> --- In ukha_d@xxxxxxx, "Frank Mc Alinden"
<fmcalind@b...>=20
> wrote:
> > Hi
> > Someone on the list designed a multichannel analogue temp
sensor=20
> board which
> > has a serial conection...Cant remember who it was though...
> >=20
> > Frank
> > ----- Original Message -----=20
> > From: "slashcomfort" <yahoo@n...>
> > To: <ukha_d@xxxxxxx>
> > Sent: Friday, October 29, 2004 1:25 AM
> > Subject: [ukha_d] Dallas 1 wire equipment/temp sensors
> >=20
> >=20
> > >
> > >
> > > Hi
> > >
> > > anyone know where to source (in the UK) the 1 wire temp
sensors=20
> and
> > > the serial port interface? Am trying to put a sensor in
serveral
> > > rooms around the house and this seems the easiest/cheapest
way=20
of
> > > doing it unless anyone else any suggestions?
> > >
> > > am open to other methods
> > >
> > > thanks
> > >
> > > Ade
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > > Yahoo! Groups Links
> > >
> > >
> > >
> > >
> > >
> > >
> > >









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