Hi Luke, thanks for flashing a light on that. I'm glad you're staying with USB.
I think this thread is answered. -- Jan 2016-12-14 20:20 GMT+01:00 Luke Kenneth Casson Leighton <l...@lkcl.net>: > On 12/13/16, dumblob <dumb...@gmail.com> wrote: > > Hi Luke, > > > > just a tiny note about your mentions of a "tablet/netbook" in > > https://www.crowdsupply.com/eoma68/micro-desktop/updates/ > latest-from-shenzhen > > i do wish that crowdsupply could provide on-post comments, but then > they'd have to monitor them. > > > > > In case you're planning to have the keyboard detachable (even worse if > this > > detachable piece should have some connectors like USB), think of it twice > > as per experience of many users of different such tablets/netbooks > (youtube > > is full of such reviews), the detachable connection is very fragile > > (because the detachable design requires a shallow or rather just > "touching" > > connection in contrast to "sliding" deeper connectors like USB). > > ok. first thing: have you heard of the alwaysinnovating touchbook? > it was the world's very first hybrid netbook / tablet. most people > don't even know it exists, sadly. as a monolithic design it would > ordinarily have a lifespan of about... six to eight months, but > because it was targetted at linux users that was actually > about...eighteen months / two years. what killed it was the use of a > 720mhz ARM Cortex A8, RAM limited to 512mb... no means of upgrading > except a whopping $50k for replacing the entire main PCB. > > anyway: the casework was extremely robust, with the > keyboard+extra-battery portion having inch-long "arms" at the sides to > securely and firmly hold the main tablet part in place... in a > standard USB socket. > > you have to bear in mind that i'm being quite realistic about this > whole exercise: if i can't design it to be robust in PLA with a > standard mendel 3D printer, and i can't get off-the-shelf generic > parts that are commonly available from multiple suppliers in huaqiang > rd, futian district, shenzhen, china, it ain't going in. > > so whilst what you're seeing is complaints based on a > fight-to-the-minimum (in terms of both thickness and price), i will be > designing stuff that's "chunky", realistically maintainable by a > lego-mindsetted individual, and built to last. > > therefore, i will *NOT* be attempting to replicate the existing slew > of magnetic catches and so on, apart from anything i won't be able to > get hold of them as they will have been custom-designed for specific > OEMs. > > i _do_ have a background in physics and mathematics which gives me > some mechanical design aptitude :) > > > > Therefore there will be a need for advanced SW means (from Linux kernel > > through all daemons up to GUI) to cope with interrupted keyboard input, > > interrupted USB communication, etc.). I'm though not aware of any such > > comprehensive solutions, so this will most likely become very painful and > > will stay so forever if introduced. > > USB. simple as that. problem goes away. USB's already designed to > be interruptable. people unplug keyboards and mice all the time. the > linux kernel's had USB support since forever. i don't expect there to > be any software problems at all. > > l. > > _______________________________________________ > arm-netbook mailing list arm-netbook@lists.phcomp.co.uk > http://lists.phcomp.co.uk/mailman/listinfo/arm-netbook > Send large attachments to arm-netb...@files.phcomp.co.uk >
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