Re: ir transmitter some success

["Frank Mc Alinden" <armagh@xxxxxxx>]

Sorry Des
               
I just assumed serial . That shouldnt be a problem
,selecting zones . I assume some other device is generating the ir
38khz
carrier?

Frank Mc
----- Original Message -----
From: "Des Gibbons" <des@xxxxxxx>
To: <ukha_d@xxxxxxx>
Sent: Sunday, June 02, 2002 2:16 PM
Subject: RE: [ukha_d] ir transmitter some success


> Hi Frank,
>
>
> I was more thinking of the LPT port direct?
>
> Cheers, Des.
>
> > -----Original Message-----
> > From: Frank Mc Alinden [mailto:armagh@xxxxxxx]
> > Sent: 02 June 2002 16:07
> > To: ukha_d@xxxxxxx
> > Subject: Re: [ukha_d] ir transmitter some success
> >
> >
> > Hi  Des
>
>            
Was sitting here updating my drawings and
> > got an email and thought someones up early, forgot about the
Kiwis.
> > No shouldnt be too hard ,you would need something like a pic
> > (16f628) which
> > has a uart and an rs 232 chip and some code.
> > Frank Mc
> > ----- Original Message -----
> > From: "Des Gibbons" <des@xxxxxxx>
> > To: <ukha_d@xxxxxxx>
> > Sent: Sunday, June 02, 2002 1:54 PM
> > Subject: RE: [ukha_d] ir transmitter some success
> >
> >
> > > Hi Frank,
> > >
> > >
> > > I'm guessing here, but I assume linking these designs to a
PC
> > rather than
> > HV
> > > is a trivial matter?
> > >
> > > Cheers, Des.
> > >
> > > -----Original Message-----
> > > From: Frank Mc Alinden [mailto:armagh@xxxxxxx]
> > > Sent: 02 June 2002 15:36
> > > To: ukha_d@xxxxxxx
> > > Subject: [ukha_d] ir transmitter some success
> > >
> > >
> > > Hi Andy , Ian + Ian
> >
>                            
Had some success today with the 8 zone ir
> > > controller . I decided to bypass the opto connected to
incoming
> > ir signal
> > > from Hv to confirm my suspicions. Tried it again and it
worked but
only
> > with
> > > two ir leds inserted in the Zone Splitter . Looked at my
schematic and
> > > realised it was slightly different to my homebrew circuit.
In
> > my homebrew
> > > unit the driver transistors were connected  common
emitter but my new
> > > circuit was common collector .Re did the driver transistors
and tried
> > again.
> > > Now works with all 8 ir leds in Zone Splitter on all Zones
.
> > The range is
> > > approx 15ft and i monitored the current which was
approx  5mA . I set
up
> > my
> > > Hv ports thru the control menu rather than a macro at this
stage just
to
> > > confirm my hardware was connected ok. Would still like to
use opto
> > isolation
> > > on the incoming ir ,will order something from rs components.
Now must
> > update
> > > my drawing before i forget.
> > >
> > > Frank Mc
> > >
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