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maemo.org - Talk (https://talk.maemo.org/index.php)
-   The Other Half (https://talk.maemo.org/forumdisplay.php?f=59)
-   -   TOHKBD rev2 (https://talk.maemo.org/showthread.php?t=93156)

stefanmohl 2015-10-13 11:20
Re: TOHKBD rev2
 
Just got myself a full set of spare parts from Dirks shop! Hope it is enough to let me build a second TOHKBD (after ordering the casings from Shapeway).

mosen 2015-10-16 18:37
Re: TOHKBD rev2
 
Some well-deserved fame for the TOHKBD Team!

Leading german magazin c't did a feature in their Video Podcast "uplink 8.3"

TOHKBD starts at 24:40, only in german thou.

mced 2015-10-18 06:36
Re: TOHKBD rev2
 
Glad to see Dirk's factory at 27:40. That's a huge building.

Hount 2015-11-03 06:39
Re: TOHKBD rev2
 
Dirk fixed my keyboard and now every button works. Some buttons might require some extra force, so listening and feeling the tactile feedback is not enough. But I have noticed that the more I use ths keyboard the troublesome keys start to work better and better. After two weeks of usage the last troublesome button started to work 90% of the times.

Have any of you looked into modifying small rails instead of magnets? I'm not that fond into these magnets. Shapeways case have worn a bit and now the indexing notches are not holding the keyboard (actually the rest of the phone) in firmly enough for me to type anywhere where dropping the phone could cause damage to it.

--
Hount

willi6868 2015-12-14 08:35
Re: TOHKBD rev2
 
It is interesting how also Google is using magnets to attach the hardware keyboard to its latest Google Pixel C Tablet.

Youtube Video.

Quote:
Originally Posted by TechCrunch
Unlike on the Surface, there is no hinge on the tablet itself. Instead, it’s on the keyboard. You simply align the tablet with the keyboard and they’ll click together. All of this is held together with magnets. And those magnets are strong. I’ve stuck the C on a metal door to test them and there was no way it was going to drop. Similarly, I never worried about the tablet accidentally detaching from the keyboard.

Source: http://techcrunch.com/2015/12/08/rev...ixel-c-tablet/
The question is, got Google 'inspired' by the TOHKBD project? :D

dirkvl 2015-12-14 09:29
Re: TOHKBD rev2
 
Quote:
Originally Posted by willi6868 (Post 1491432)
The question is, got Google 'inspired' by the TOHKBD project? :D
I can only assume so, since we invented magnets.

ggabriel 2015-12-14 09:50
Re: TOHKBD rev2
 
Another lawsuit going google's way :P

Wallace 2015-12-26 11:27
Re: TOHKBD rev2
 
Hmm. Android support is still missing for TOHKB2..

How can i overwrite file /opt/alien/system/usr/keychars/Generic.kcm
with a custom scandic one.safely.?

Did see this workaround here but which command to use foe replacing that orginal file?

https://together.jolla.com/question/...n-android-apps

zagrim 2016-06-18 05:41
Re: TOHKBD rev2
 
Has anyone had issues with the phone compass when using TOHKBD? Static magnetic field shouldn't affect the calibration but in my experience it does. Posted my findings in TJC but here's the summary:

Quote:
Calibration [with 8-shaped motion] works pretty much ok without TOHKBD (although it seems not be spot on) but immediately goes south (pun intended) with it attached. Also, after deattaching TOHKBD the 8-shaped motion does return the north bearing to approximately where it should be.

[...]

So, it would seem that SFOS compass is not as crazy as I've thought it to be, I just need to "pack lighter" when I need it. What I don't really understand is that how the static magnetic field can have this kind of an effect? Does it e.g. scale the sensor readings so much up that rounding errors start interfering with the calibration, or what? I also noticed that the kind of "corrective motion" that is seen after turning the phone around quickly without TOHKBD is missing when it is attached (to find an analogue from mechnanical compass, it is like the needle is not floating freely).

rolh 2016-06-18 06:05
Re: TOHKBD rev2
 
It could be that the magnets in TOHKBD are too strong for the Jolla's magnetometer and cause it to saturate. In that case, calibration doesn't help.

peterleinchen 2016-06-18 06:07
Re: TOHKBD rev2
 
Quote:
Originally Posted by zagrim (Post 1507801)
Has anyone had issues with the phone compass when using TOHKBD? Static magnetic field shouldn't affect the calibration but in my experience it does.
Yes! (10 chars)

zagrim 2016-06-19 04:44
Re: TOHKBD rev2
 
Quote:
Originally Posted by rolh (Post 1507802)
It could be that the magnets in TOHKBD are too strong for the Jolla's magnetometer and cause it to saturate. In that case, calibration doesn't help.
D'oh!
I would be great to somehow verify this (not that it would change the fact but it's good to know for certain), but I guess there's no way to access the magnetometer readings outside of kernel... or is there?

rolh 2016-06-19 06:01
Re: TOHKBD rev2
 
Quote:
Originally Posted by zagrim (Post 1507861)
D'oh!
I would be great to somehow verify this (not that it would change the fact but it's good to know for certain), but I guess there's no way to access the magnetometer readings outside of kernel... or is there?
The sensors should be available in userspace. Have a look at, for example, Messwerk [1], it should allow you to visualize (and log) the sensor data.

[1] https://openrepos.net/content/cfr34k/messwerk

zagrim 2016-06-20 03:49
Re: TOHKBD rev2
 
Thanks @rolh for the tip.

Ok, case confirmed with Messwerk. The readings immediately go to the bottom of the scale (which seems to be around -2 mT) when TOHKBD is attached, and don't move from there regardless of the device position. :(

http://onelove.doesntexist.org/~etik...0-06-38-05.png

Well, I can live with that now that I know what it is about...


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