[Sugar-devel] seeking help to enable nepali keyboard input for XO-4

[Walter Bender]

On Mon, Jun 16, 2014 at 9:03 PM, John Watlington <wad at laptop.org> wrote:

>
> Walter,
>    You remember correctly.  The hard/clicky/crunchy keyboards are not rated
> for as long a lifetime as the membrane/chewy keyboards.   While the
> membrane
> 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
> minute
> 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?

>
> 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
> choking
> hazard.
>
> Cheers,
> wad
>
> On Jun 16, 2014, at 7:13 AM, Walter Bender wrote:
>
> James,
>
> Do we have any data re the mechanical reliability/durability/repairability
> of the "hard/clicky" keyboards? We do know that although there were some
> issues with membrane pealing (presumably resolved with the newer design)
> there numerous ingenious local repairs such that most are still working
> after 7 years.
>
> regards.
>
> -walter
>
>
> On Mon, Jun 16, 2014 at 5:35 AM, James Cameron <quozl at laptop.org> wrote:
>
>> On Mon, Jun 16, 2014 at 01:54:19PM +0545, Basanta Shrestha wrote:
>> > Hi all,
>> > We are planning on ordering the next lot of XO-4s and I need some
>> > suggestions on which keyboard model to choose -membrane  or
>> > hard/clicky one.
>>
>> I think it is great to seek input from the community, but don't forget
>> to ask your OLPC contact for help as well.
>>
>> > We had membrane one for our first lot and keyboard switching was
>> > very convenient on that model.  One reason not to choose hard/clicky
>> > one is that it doesn't have key for language switching ( correct me
>> > if I am wrong) -I have one spanish hard/clicky and it doesn't have
>> > that key - key 56 at
>> > http://wiki.laptop.org/go/OLPC_Keyboard_layouts.
>>
>> Yes, that's a good reason not to choose the mechanical keyboard; you
>> would have to customise your operating system build again, to add a
>> key combination for keyboard language switch.  If the cost of
>> customising is too high, you should order membrane keyboard.  I don't
>> know the relative costs of the keyboards, and their replacement rates,
>> but it might be factored in to your decision.
>>
>> You identified the lack of language switch key in this same thread on
>> sugar-devel@ back in November 2013, from which I'll draw some status:
>>
>> Walter says use a key combination:
>> http://lists.sugarlabs.org/archive/sugar-devel/2013-November/045724.html
>>
>> And says that customisation will be needed:
>> http://lists.sugarlabs.org/archive/sugar-devel/2013-November/045800.html
>>
>> Then you suggest alt+space:
>> http://lists.sugarlabs.org/archive/sugar-devel/2013-November/045807.html
>>
>> Daniel Drake says to use olpc-os-builder:
>> http://lists.sugarlabs.org/archive/sugar-devel/2013-November/045851.html
>>
>> And you asked about the alt+space:
>> http://lists.sugarlabs.org/archive/sugar-devel/2013-November/045857.html
>>
>> But the thread dried up on that subject because the units you received
>> had a membrane keyboard, not a mechanical keyboard.
>>
>> I think you need to change the xkb files, but I'm not sure.  Do you
>> have a mechanical keyboard you can test with?  If not, you'll have to
>> get someone else to do this.
>>
>> > Hard/Clicky on the other hard is more convenient while typing.
>> > Please suggest.
>>
>> I don't understand why you think it is more convenient.  To me the
>> keyboards are equally convenient for an inexperienced child.  Perhaps
>> you intended to mention some characteristic?
>>
>> --
>> James Cameron
>> http://quozl.linux.org.au/
>>
>
>
>
> --
> Walter Bender
> Sugar Labs
> http://www.sugarlabs.org
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>
>


-- 
Walter Bender
Sugar Labs
http://www.sugarlabs.org
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