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File: 1447245705506.jpg (68.79 KB, 698x407, asdasda.jpg) ImgOps Exif iqdb

 No.13802

So these things (or similar) can't be too secure, can they?

What things should a waifu consider if she wanted to know more about such a thing?

Do Lains think this will run a composite video signal or a digital one? Custom display driver or something more manageable?
Is signal sent from external source? How is it sent, video, Ethernet?

Any suggestions on HW that might be usefull?

Controler power, what kind of setup do these have?

Is the controller in the base or behind the display?

Best place to inject new signal?

Any info on how these things are configured would be good for research purposes.

Of course if one of these was hacked the message placed on it would reach thousands...
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 No.13814

Been curious about this as well, my step dad sells then things and sets them up/programs them. I know the ones for just one business has an application run form a desktop, but I don't know about the full sized ones run by multiple business. I terrible doubt some dudes climbing up there with a laptop, so it's probably just pushed through TCP/IP or wireless. Probably just another part of the "internet of things".

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 No.13817

>>13814
cant you ask him about them?

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 No.13820

Reminds me of hacking those road construction signs. I doubt the have a hard-line connection to the net or any for that matter.
You can try sifting though terrible cooperate documentation, if they exist.
Best way is to just climb up one and check it out. I bet its just an sdcard slot in a locked terminal box.

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 No.13822

File: 1447272441987-0.jpg (110.97 KB, 929x600, hack road sign.jpg) ImgOps Exif iqdb

File: 1447272441987-1.jpg (355.8 KB, 528x1630, hack road sign 2.jpg) ImgOps Exif iqdb

I'm not sure how seriously this should be taken

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 No.13827

>>13817
Yeah I will, I do his IT so it shouldn't be hard to get the information out of conversation, but he doesn't do billboards, just individual business signs. Has to be the same concept, though.

>>13822
I know the first one at the very least work in '11, because some friends and I did it.

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 No.13861

At my Uni (i work student IT) we have a signboard that I found out is controlled though a phone line/dial up, but I'm not sure how the messages are set. It can't be complicated, the operator reported it wasn't connecting and had the phone line plugged into the Ethernet port...


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 No.13929

>>13904
very nice... good pdf!

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 No.13954

>>13929
>>13904
Still too many variables.
Anyone have any pics of this soykaf actually being done?

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 No.13975

>>13954
feel it might be just as easy and quicker? to cut the video cable and replace feed with own image from something like Banana Pi
http://www.ebay.com/itm/Fast-Shipping-from-San-Francisco-CA-New-Banana-Pi-board-1Ghz-Dual-Core-1GB-RAM-/181931515752?hash=item2a5bf69f68:g:pDQAAOSwLVZV3o3U
rather than gain control over the existing computer?
But maybe i'm too old school... and maybe the video signal is something obscure?

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 No.13983

Here's a video of this being done.
https://www.youtube.com/watch?v=jJkuCzgg7fo



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