Re: ir transmitter some success

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

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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