Re: ir transmitter some success

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

Now thats Better Des
                                
I cant see why not . So long as you dont
change the state of the  lpt  port  pins that are being used
for the
multiplexer while transmitting just the tx pin . Pin 4 which enables the
555
i would opto isolate from the printer port.

Frank Mc
----- Original Message -----
From: "Des Gibbons" <des@xxxxxxx>
To: <ukha_d@xxxxxxx>
Sent: Sunday, June 02, 2002 3:51 PM
Subject: RE: [ukha_d] ir transmitter some success


>
>
> >
> > Sorry Des
>
>                
I just assumed serial . That shouldnt be a problem
> > ,selecting zones . I assume some other device is generating the
ir 38khz
> > carrier?
> >
>
>
> errr, the LPT port :)
>
> http://www.czechin.com/minidisc/gener.gif
>
> Now, can they both be on the same LPT port is the question :)
>
> Des
>
>
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