RE: ir transmitter some success

["Des Gibbons" <des@xxxxxxx>]

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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