Re: Remtely locating a touchscreen.

["Christopher Purves" <CHRIS_PURVES@xxxxxxx>]

Um - was analogue vga in this case (standard 15 pin). Also serial NOT usb
-=
USB does not travel well in my experience. The video although not perfect =
was very good with longer cable. Certainly fine for everyday touchscreen
us=
e. Mine are 15 inch screens by the way.

Chris
----- Original Message -----=20
From: Chris Hunter<mailto:cjhunter@xxxxxxx>=20
To: ukha_d@xxxxxxx<mailto:ukha_d@xxxxxxx>=20
Sent: 31 December 2005 18:23
Subject: Re: [ukha_d] Remtely locating a touchscreen.


Did you notuce any deterioration in picrure quality with length of wire=20
- more noise, say ?

I'm not sure how far the more to digital has gone ... are the feeds to=20
LCD screens always digital now ?

Chris




Christopher Purves wrote:

> I have just done this with 3  of 1024 x 768 vga/serial elo
touchscreens=
.
>
> I used normal cat5 for the serial and screened cat5 for the vga but
it=
=20
> works with normal too.
>
> The links to the serial to rj45 convertors (=A31 each ish)
> http://cpc.farnell.com/jsp/endecaSearch/partDetail.jsp?SKU=3DCN04265&N=
=3D411<http://cpc.farnell.com/jsp/endecaSearch/partDetail.jsp?SKU=3DCN04265=
&N=3D411>=20
> <http://cpc.farnell.com/jsp/endecaSearch/partDetail.jsp?SKU=3DCN04265&N=
=3D411><http://cpc.farnell.com/jsp/endecaSearch/partDetail.jsp?SKU=3DCN0426=
5&N=3D411<http://cpc.farnell.com/jsp/endecaSearch/partDetail.jsp?SKU=3DCN04=
265&N=3D411><http://cpc.farnell.com/jsp/endecaSearch/partDetail.jsp?SKU=3DC=
N04265&N=3D411>=20
> <http://cpc.farnell.com/jsp/endecaSearch/partDetail.jsp?SKU=3DCN04265&N=
=3D411<http://cpc.farnell.com/jsp/endecaSearch/partDetail.jsp?SKU=3DCN04265=
&N=3D411>>>
>
> It took a bit of trial and error to work out which of the 9 serial=20
> pins to send over the 8 wires of cat5 but I got it in the end.
>
> The vga baluns were from hiddenspeakers.com
>
> http://www.cyberselect.co.uk/product/423<http://www.cyberselect.co.uk/p=
roduct/423<http://www.cyberselect.co.uk/product/423<http://www.cyberselect.=
co.uk/product/423>>
>
> I like to terminate both ends of the cat5 with plugs as it makes=20
> testing easier.
>
> Max run I have tired is 30ft but should work much longer.
>
>
>
> Chris.
>   ----- Original Message -----
>   From: rb_ziggy<mailto:richard.boreham@xxxxxxx<mailto:richard.bor=
eham@xxxxxxx>>
>   To: ukha_d@xxxxxxx<mailto:ukha_d@xxxxxxx<mailto:ukha_=
d@xxxxxxx<mailto:ukha_d@xxxxxxx>>
>   Sent: 31 December 2005 11:45
>   Subject: [ukha_d] Remtely locating a touchscreen.
>
>
>   I'm looking to mount a touchscreen in the kitchen (one of these
>   perhaps:=20=20
> http://linitx.com/product_info.php?products_id=3D877<http://linitx.com/=
product_info.php?products_id=3D877<http://linitx.com/product_info.php?produ=
cts_id=3D877<http://linitx.com/product_info.php?products_id=3D877>>)=20
> to my HA
>   pc in the loft.=20
>
>   I know there has been some debate over being able to extend over
Cat5
>   in the past but wonder if anyone has successfully done this. I have
>   one (perhaps 2 - but I'd ideally like to keep the second free) runs
o=
f
>   cat5 from the PC to the screen location. I think I need to extend:
>
>   - VGA feed
>   - USB for touchscreen
>   - Possibly a second USB for a small local keyboard & integrated
>   trackball (although I'm not sure if this can be 'linked' with the
sam=
e
>   USB as for the screen).
>
>   Run of cat5 is probably no more than about 15m maybe 20m.=20
>
>   Any pointers on what additional bits I need and quality gratefully
>   received.
>
>   Richard
>
>
>
>
>
>
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