Electronics > Beginners

Need help with a project involving small LCD screens

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Marvio:
Hello everybody! Super newbie here!

Let me put this up front, I'm not an electronics guy, I've always been interested in it but life took me down a different path, nevertheless I've watched pretty much every video Dave has ever produced, I find your filed fascinating, and you know what? I even managed to learn a little bit about it! :)

At any rate, I'm trying to put together a proof of concept project for a client of mine, this is absolutely just to see if it will work at all, so as Dave puts it it can be "A dog's breakfast!" :)

Basically what I'm looking for is:

I need four small displays, no bigger than 8" with at least 1024X768 resolution, they will all display the exact same image, because of that they can all be driven from the same board (and ideally they would), this driver board should have HDMI input.

Reason I came to you guys is the sourcing of this, one would think that in this day in age it would be simple enough, but Oh man was I wrong! trying to search for this simple set up returns a tsunami of results with some dubious specs. The closest I got was an offering at alibaba of a 7" 1280X800 LCD display with the driver board: https://www.alibaba.com/product-detail/7-inch-IPS-800-1280-mipi_60055176434.html
That would work, but I would end up with 4 driver boards and an HDMI splitter to feed the signal to each one.
Again, just to see if the concept would work I guess is doable, but placement of the screens is also a consideration here, and with this much stuff to contend with I'm not sure I could place them correctly. So you know the screens will be flat facing up, each at a 90 degree angle from each other, so it will form a "flower" with a "hole" in the middle.

So, what would you guys suggest, is there a driver board out there which could feed 4 of these small screen in one unit? am I screwed? :) 

Thanks in advance everybody

sokoloff:
For a proof of concept, what's the problem with COTS HDMI 1x4 repeater/splitter and 4 COTS HDMI displays?

What's the constraint that prevents you just going to Ebay and buying 4 8" displays?
Another possibility is using COTS tablets and building/using an app to display whatever you want if "thin and elegant looking" is critical to the PoC.

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