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microcontroller for custom laptop

By chulian99 ·
Tags: Hardware
I'm new to electronics (outside of twiddling with Arduino and a basic college course - I'm more of a software guy) and I'm attempting to build a custom, extremely low-powered, extremely thin, laptop.

The ideal is a keyboard, a microcontroller or some chip(like this running command-line Linux distribution (potentially uClinux) and an LCD display. It could potentially run on double A batteries for the time being. It would also need wifi access.

My current biggest question is what kind of microcontroller (or other device) I should look for as the brain of the device. I've considered just sticking in a Raspberry Pi, but that's actually much larger than I would like, so I'm willing to attempt a custom-soldered solution. Are there sufficient ones which already have Linux installed? Are there some which have enough input pins / proper inputs for a keyboard / LCD display?

I'm also willing to write a driver or two for the keyboard, LCD, etc. as necessary, FYI.

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