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-   -   TOHKBD rev2 (https://talk.maemo.org/showthread.php?t=93156)

mjtorn 2014-09-01 05:37

Re: TOHKBD rev2
 
Quote:

Originally Posted by dirkvl (Post 1437743)
We'll see how firm it is connected with mockup2! (two weeks or so)

Yes, every current hardware application could clip on, but if you want an oled screen on the back then doing that with this base will be highly inefficient.

May I ask what inefficient means in this context?

The issues I've heard people have about TOH is a) carrying them with them b) actually changing them eg. downtown or wherever.

If your magnet-based solution supports anything (protocol-wise, as long as it has magnets), you solved most of the problem, bro :cool:

Sweet :)

dirkvl 2014-09-01 06:42

Re: TOHKBD rev2
 
Quote:

Originally Posted by droll (Post 1437816)
is there a way to put in some sliding gutters that hold it in place permanently and only lock when you slide it to the magnet positions? just an idea anyway. but that would mean the keyboard cannot be swapped with other keyboards or gamepads.

read this page



Quote:

Originally Posted by mjtorn (Post 1437824)
May I ask what inefficient means in this context?

with inefficient i mean the unnecessary thickness. with the keyboard you have to have two parts, but for all other functionality you are better off with a regular toh, not with adding it to my magnets. but yes, it is possible.

robnas 2014-09-01 07:00

Re: TOHKBD rev2
 
Again:

What's the possible influence of the magnets on the battery. I don't want my Jolla catch fire or leak after some months...

dirkvl 2014-09-01 07:37

Re: TOHKBD rev2
 
using the power of the eugoogelizer, i have found this:

- DONT DO IT, IT WILL EXPLODE AAAAAAAAAAAAAAAAAAAAAAAA
- its fine, people even connect li-ions together with neodymiums, claiming they had no problems for years

pic your side ;)

dirkvl 2014-09-05 11:08

Re: TOHKBD rev2
 
keyboard has been connected to my phone for a week now, but the battery refuses to explode...

also, it works.
youtu.be/IV1lS_IUVxg

Kabouik 2014-09-05 11:19

Re: TOHKBD rev2
 
What happens when you reposition the keypad part? Does it reconnect instantly on the software side?

dirkvl 2014-09-05 11:32

Re: TOHKBD rev2
 
Quote:

Originally Posted by Kabouik (Post 1438304)
What happens when you reposition the keypad part? Does it reconnect instantly on the software side?

it currently runs the rev1-software, but this will be modified for some extra functionality.

blood_falcon 2014-09-05 13:17

Re: TOHKBD rev2
 
Nice, bro

I think it won't be long till the keyboard finished right? Say, maybe end of this month???

dirkvl 2014-09-05 13:23

Re: TOHKBD rev2
 
Quote:

Originally Posted by blood_falcon (Post 1438319)
Nice, bro

I think it won't be long till the keyboard finished right? Say, maybe end of this month???

Ha, good one! ;)

Things that will take time:
PCB production and soldering
Keypad manufacturing

PCB and keypad both not finalized, so don't hold your breath over it.

dirkvl 2014-09-05 13:38

Re: TOHKBD rev2
 
some pics of mockup 1 (red) & mockup 2 (just arrived, white)

connection to bottom, will be at a different place and will be cleaned up. but to give an impression.
https://dl.dropbox.com/s/ql6zhty1hwh...2012.31.34.jpg
https://dl.dropbox.com/s/347ge5h2td0...2012.30.57.jpg



mockup 2

changelog:
-magnets to slightly different position
-added toh-triggerfinger
-connection to bottom part to different position
-reducing size of base-pcb
-screw holes to clamp pcb to shell
-alignment dimples (holes) for both positions
-added chamfer to camera and flash

overview
https://dl.dropbox.com/s/v6sd2qxl0cp...2016.15.45.jpg

dimples for alignment
https://dl.dropbox.com/s/j82gg6u9nt7...2016.16.56.jpg
https://dl.dropbox.com/s/xedef04dp5i...2016.16.41.jpg

connection between parts, added screwholes
https://dl.dropbox.com/s/e3gl11hxyft...2016.16.02.jpg

waiting for bigger magnets
https://dl.dropbox.com/s/y4n96ametjv...2016.16.23.jpg

screws to secure pcb
https://dl.dropbox.com/s/h42yqaqklvl...2016.52.17.jpg


comments and thoughts
-dimples work perfect for aligning the kb, feels very solid
-as a concequence, the opening/closing is not feeling less awesome, have to reshape dimples
-magnets apparently have to stay a week (or longer?) at customs
-connection between parts works, but needs refining, more details on that later
-screws to secure pcb look cool


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