Re: Pictures of single board computer with touch screen

["bensbarn2001" <ben_wilkinson@xxxxxxx>]

Dave,

Thanks a lot for this.   I've looked and can see what's
possible.  
Some other questions.... Where did you get your touchpanel from?  I'm
after ones only about 6" size.  Do they have any like this?

Thanks again

Ben

--- In ukha_d@y..., "Dave McLaughlin" <dave@v...>
wrote:
> Hi Ben,
> 
> The standard digital interface can only go about 0.5 - 0.7m
without
> problems. To go longer you need to convert the signals to LVDS or 
Panel Link
> as it is generally referred to when talking about LCD digital 
interfaces.
> Advantech to a transmitter and receiver that converts the signals 
to Panel
> Link that can drive up to about 10m on special cables. The cables 
for this
> length tend to be expensive, but lower cost for shorter lengths.
> 
> Go to www.advantech.com and search for Panel Link or LVDS. Some of
their CPU
> cards have built in LVDS transmitters. I have just ordered a couple
of
> sample panel link receiver IC's from National Semiconductor to try
and build
> my own interface for the board that I have.
> 
> If the LCD you plan to use has a standard VGA input, then you will
be OK for
> a couple of metres as per the lead that normally comes with the PC
monitor.
> This tends to add a fair bit to the cost of the LCD for the VGA 
interface of
> around 150-200 quid. A panel link tx and rx is around the 50-60 
quid area
> each.
> 
> Regards
> Dave...
> 




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