[GRLUG] RaspBerry Pi

Michael Mol mikemol at gmail.com
Thu Oct 27 15:08:14 EDT 2011


It'd be interesting to discover that it has a DVI *port*...it might. I
haven't looked. That said, modifying each screen prior to shipment
seems like an ugly increase in labor costs for whoever's going to be
putting these together in larger quantities.

Still comes down (to me) to not wanting to use an off-brand Flash
interpreter; there's no guarantee the flash app will work with it.
It's a compatibility and testing headache for the author at minimum.

On Thu, Oct 27, 2011 at 3:04 PM, Richard Nienhuis
<richardnienhuis at gmail.com> wrote:
> The Raspberry Pi people have been using SDHC cards.  If that monitor is VGA
> only this won't work.  But it is probably not VGA only.  Might have a hidden
> header inside it.
>
> On Thu, Oct 27, 2011 at 3:00 PM, Michael Mol <mikemol at gmail.com> wrote:
>>
>> The HDMI cable doesn't carry an analog signal, so you'd need an active
>> converter device to render the HDMI data to a buffer and retransmit as
>> VGA. If the screen has HDMI support already, that's different, and
>> great.
>>
>> I like the SD card slot for a hard drive, too, but it's still
>> important how large a card a given board supports. (And this board is
>> Arm, which won't easily work for our needs. I don't want to trust an
>> open-source Flash implementation, as they're not completely
>> compatible.)
>>
>> On Thu, Oct 27, 2011 at 2:53 PM, Casey DuBois <casey at grlug.org> wrote:
>> > I Like the SD card slot for Hard Drive and yes you can go from HDMI back
>> > to
>> > VGA.
>> >
>> > On Thu, Oct 27, 2011 at 2:50 PM, megadave <megadave at gmail.com> wrote:
>> >>
>> >> Hrm.. all taht USB can be hubbed. And this uses an SD card slot as its
>> >> "hard drive", so no need for IDE or SATA.. And it has ethernet.
>> >>
>> >> The only issue might be the video - can you get from HDMI to VGA? I've
>> >> never used HDMI, so dont know much about it. What other video inputs
>> >> does that touchscreen have?
>> >>
>> >> On Thu, Oct 27, 2011 at 14:45, Michael Mol <mikemol at gmail.com> wrote:
>> >> > On Thu, Oct 27, 2011 at 2:37 PM, Casey DuBois <casey at grlug.org>
>> >> > wrote:
>> >> >> That's the kind of device I wanted to use in the Kiosk.
>> >> >> Thinking we're needing something a little larger with more ports.
>> >> >
>> >> > Ports requirements, IIRC, are:
>> >> > * One(1) VGA port, or DVI-I and a DVI->VGA adapter
>> >> > * One(1) USB port for One(1) RS-232 serial port for the touchscreen's
>> >> > input (USB is the most convenient)
>> >> > * One(1) USB port for the ticket printer.
>> >> > * One(1) USB port for the cash reader.
>> >> > * One(1) USB port, one(1) SATA port or one(1) IDE port for booting
>> >> > the
>> >> > OS. (Unless we talk about netboot again)
>> >> > * One(1) ethernet port for network access.
>> >> >
>> >> > That's minimum, and can even be worked downward a little with a USB
>> >> > hub or expansion card. Anything else is gravy.
>> >> >
>> >> > I know Adobe Flash runs on Arm (it's running on my Xoom), but I don't
>> >> > know if they have an Arm Flash plugin for Linux. So a low-power x86
>> >> > processor would be ideal. AMD's low-power Bulldozer might even be
>> >> > appropriate. What's the lowest wattage x86 processor around that can
>> >> > handle Adobe Flash?
>> >> >
>> >> > --
>> >> > :wq
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>> > --
>> > Casey DuBois
>> > 616-808-6942
>> > casey at grlug.org
>> >
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