[Gta04-owner] Is It Possible To Connect A Larger Display To The GTA04?

[Christoph Mair]

On Fri, Mar 2, 2012 at 4:27 PM, Alexander Ross <abushcrafter at gmail.com> wrote:
>> > On Thu, Mar 1, 2012 at 11:06 PM, Alexander Ross <abushcrafter at gmail.com> wrote:
>> > > So is it possible to connect a larger display (If so what resolution?)
>> > > to the GTA04 with a USB or BlueTooth keyboard and the screen for a
>> > > track-pad and portable speakers for sound with bass :). So one could
>> > > then have a portable computer thing.
>> >
>> > On Thu, 1 Mar 2012 23:26:36 +0100 , Christoph Mair <christoph.mair at gmail.com> wrote:
>> > You could use an USB graphics card. This is probably the simplest way
>> > to attach a larger display. Keyboard and sound can also be attached
>> > using a powered USB hub.
>> > If you have enough knowledge of electronics you can also try to attach
>> > a display, either using the display connector (it will be very
>> > difficult to find a matching cable) or using the exposed expansion
>> > connector pads (not recommendet at all!).
>> >
>> > I would try the USB based solution. If you prepare the USB hub with
>> > graphics card, sound card and keyboard, mouse, ... then you just plug
>> > in your phoenux to add computing power to the setup.
>> >
>> > Regards,
>> > Christoph
>>
>> On Fri, 2 Mar 2012 10:13:32 +1100 , NeilBrown <neilb at suse.de> wrote:
>> One problem with this setup is that while the USB port is in host mode it
>> cannot power the phone (without serious kernel hackery, and the USB hub
>> wouldn't be feeding power back to the OTG port in any case).
>> So while it could work, I don't see it as a really useful solution.
>>
>> You could use bluetooth for audio, keyboard, mouse; use USB for power; and
>> use the TV-out on the mini-phono port for video.  What is the max resolution
>> for the TV-out??
>>
>> NeilBrown
>
>
> My plan/hope was to connect it to a 10inch or a bit smaller battery
> powered LCD screen.
>
> https://www.alwaysinnovating.com/products/dualscreen.htm
> http://www.reghardware.com/2012/02/08/review_toshiba_14_inch_usb_lcd_mobile_monitor/
> (Not compatible.)
> http://www.amazon.com/MIMO-UM-710S-Powered-Swivel-Display/dp/B002RMPASG
> http://www.lilliputuk.com/
> http://www.esaw.co.uk/catalog/10-inch-monitor/10-2-inch-tft-lcd-touch-screen-monitor-vga-composite
> http://www.google.co.uk/search?q=USB+10+inch+lcd+screen&hl=en&client=firefox-a&rls=org.mozilla:en-GB:official&prmd=imvns&ei=XuVQT6vYAcnO0QWP5pDkCw&start=10&sa=N
>
> Ant there a power input for the GTA04 or have I forgotten that there
> is only USB for a power input?

There is an additional charge path on the debug connector, but you
need to remove the front cover to get access. It may be an option to
build a "fake" battery which fits into the battery compartment and
just connects the spring battery contacts to some external power
supply.

Christoph