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I'd never though I'd say this, but 320x240 may be enough resolution. Especially at 3.5 inches and for hobbyist projects. All the projects I can think of to use this are for simple notification-style display and maybe one finger interaction.

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A DIY smartphone seem something where having a good screen would be a plus, or everything photo where color accuracy and resolution are important.

I was looking to make an EVF[1] for my DSLR a while ago for example.

[1] http://en.wikipedia.org/wiki/Electronic_viewfinder

I use my Android as an EVF / remote controller for my 550d. It's pretty damn useful and you can pick up a second hand phone for basically nothing.

Never heard of that, that seem interesting, would you happen to have a link with more information?

https://play.google.com/store/apps/details?id=eu.chainfire.d... is what I use. USB OTG cable to USB Mini. Does the job fine on a Nexus 5.

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