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Hi guys, looking to create an additional screen for my laptop but not loving how large the controller boards I've found are. I'd like to make this as slim and portable as possible so it can slip in my bag alongside my laptop while also being a light as possible. 

Anyone know of any smaller lcd controller boards? If we can get tablet and surface PCs so thin, then hopefully this is possible somehow.

Thanks in advance!


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Hi Dr_Bob,

I'm looking at something like what you linked to above - or more similar to the Razer Project Valerie gaming laptop prototype, or the Slide N Joy screen extender. The Slide N Joy is outside my price range and too bulky for what I'm looking for though. I'd like to be able to use the screens with any laptop as I'll likely be changing my current model in the next several months. At the moment, I am looking at using any replacement laptop screen with a high enough resolution that I won't feel the need to replace it once the new laptop arrives (1920 x 1080, 15.6" screen is what I'm looking at - same as my current laptop screen size though current screen has less res). I will also be aiming to buy the digitizer to make it touchscreen, too. A big ask with the desire to have a smaller controller board I know, but you need a goal to work to, right? Lol.

I don't know enough about controller boards and such but I had come across 'microcontroller boards' as in phones and 'raspberry pi' and wondered if any of these would be of use.

Here's the YouTube video that inspired it. This has been on my mind for a good while now and I'd really like to try it (and add a few tweaks of my own).

Any thoughts?

I appreciate the previous reply.



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So what is your price range?  That will help a lot.  Also, getting a screen with that res may be a little more costly, fyi.

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Idealistically, I'd like to keep it between £150-£200, so I know I may have to just suck it up and go for the bigger control boards, though I'd definitely prefer something smaller if you have any suggestion (would consider raising my budget if there was a suitable alternative available).

From what I've found online so far, I can get replacement Lenovo Flex 2-15 screens for under £30 each, same from the digitizers and £10 for the digitizer control boards (the latter pre-owned - removed from a broken laptop for spares).

As you can see I'm close to the bottom end of the budget already but am 100% willing to pay more for the right piece of kit for this.


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