[Sugar-devel] seeking help to enable nepali keyboard input for XO-4
sverma at sfsu.edu
Mon Jun 16 21:25:13 EDT 2014
On Mon, Jun 16, 2014 at 6:19 PM, John Watlington <wad at laptop.org> wrote:
> On Jun 16, 2014, at 9:05 PM, Walter Bender wrote:
> On Mon, Jun 16, 2014 at 9:03 PM, John Watlington <wad at laptop.org> wrote:
>> You remember correctly. The hard/clicky/crunchy keyboards are not
>> for as long a lifetime as the membrane/chewy keyboards. While the
>> keyboard design was tested to 5 million key presses, IIRC the clicky
>> keyboard is
>> only rated to 1 million key presses. (On the other hand, it takes one
>> to replace a clicky keyboard versus twenty for a membrane keyboard.)
> ..if you have a replacement keyboard... any insight into how easy it would
> be to make replacement keys in the field?
> I would say impossible, but that would be underestimating the creativeness
> our deployments.
> At the electrical level, the crunchy and chewy keyboards have the same
> so I don't expect that to be the failure mechanism. Failure should be due
> to the
> mechanical parts (as it is with the membrane keyboards). If you pull off
> the keycap
> and the guide mechanism, the key still activates when you press on the
> or the rubber cap (which provides both the spring action and presses on the
> glued to it.
Back in January 2013, while visiting Khairat (India) I saw a couple of
girls using the eraser end of a pencil to push the torn keys on their
XO-1s from 2007 (which BTW still hold charge and run the mesh!).
>> WARNING: The clicky keyboard was not approved for use by small children
>> by UL. The reason is that if the keys are pulled off they present a
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