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It would be possible to create the 40,000 requirements using hardware
with a <em>555</em> Timer <em>IC and a and gate. Probably the IR
repeater sold by Jaycar would do the job.</em></p><p style="margin-bottom: 0cm;"><br><em></em></p><p style="margin-bottom: 0cm;"><em>Tim<br></em></p>
<br><br><div class="gmail_quote">On Sun, Aug 22, 2010 at 2:37 PM, Robin Gilks <span dir="ltr"><<a href="mailto:g8ecj@gilks.org">g8ecj@gilks.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<div class="im"><br>
> Hi guys,<br>
><br>
> I found a cheap serial IR blaster online the other day and bought it.<br>
> After it arrived I realised that I don't have a serial port on my<br>
> computer! Just a parallel one - why you'd want a parallel over a serial<br>
> I don't know. So I borrowed a USB to serial cable from a friend and it<br>
> is recognised by the system. Problem is that when you install lirc and<br>
> you activate the blaster option it asks you for the serial port you are<br>
> using and the USB version is not an option. Anyone know whether I can<br>
> actually make it work using this cable and what config file I might need<br>
> to modify to get the correct port working?<br>
<br>
</div>No - it won't work. It *MUST* be a real serial port since if you look at<br>
the wiring it uses either the RTS or DTR output control lines and the lirc<br>
driver waggles them 40,000 times a seconds with great accuracy. You just<br>
can't do that with a USB stack.<br>
<br>
I hope the serial blaster was less than $2 as thats how much they cost...<br>
<br>
--<br>
<font color="#888888">Robin Gilks<br>
</font><div><div></div><div class="h5"><br>
<br>
<br>
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