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DeeGee	2013-10-06 , 16:15
Posts: 156 \| Thanked: 239 times \| Joined on Sep 2009 @ Finland	#21

They have been promising the CAD files for the Other Half, but they haven't materialized yet. I guess they are busy...

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dirkvl	2013-10-06 , 16:18
Posts: 1,104 \| Thanked: 5,652 times \| Joined on Feb 2010 @ Holland	#22

Originally Posted by mikecomputing

see my post again I updated it with a smaller variant that can be soldered by hand and costs less.. and can be used with upto 3.6v.

Uch..
1. Jolla phone is 3.8 volt. 3.8>3.6.
2. This chip does not have 16 i/o ports
3. I cannot order from farnell (only for companies)

Originally Posted by Dave999

Ive asked jolla for dimensions and also other side connections to main body. Wanted to create a 3d printer map. Do you got some intel on this? Without it I fail to see how to go forward with another side.

Very true. But there is lots of work to be done before that point. So I am focussing on that, so when they deliver, I will be ready to go! But if you could spam Jolla for releasing the CAD, would be nice!

Last edited by dirkvl; 2013-10-06 at 16:23.

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zimon	2013-10-06 , 16:32
Posts: 1,341 \| Thanked: 708 times \| Joined on Feb 2010	#23

Originally Posted by jalyst

Source for this assertion?
I've seen others speculate about this, but I've never seen Jolla confirm that this is precisely how their OH system will work.

I checked where I got this information from, and yes, it was just a speculation. Other halfs surely can be stackable, I2C bus allows this and power pins can just be forwarded, but it would need every OtherHalf to have necessary connectors on their back side. Maybe just a few OtherHalfs, like an Extra Battery OtherHalf would implement that.

Thats why I think the qwerty-Otherhalf could have an extra battery integrated from the beginning. Besides, stacking Otherhalfs, although it would be technically possible, would make the device unpractically thick.

I also think the Otherhalf concept is not really as useful as some ppl think, because ppl will carry just one Otherhalf with them daily. So if Otherhalfs do not have multiple features combined, the idea is not as productive and luring as one may think.

Last edited by zimon; 2013-10-06 at 16:35.

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dirkvl	2013-10-06 , 16:40
Posts: 1,104 \| Thanked: 5,652 times \| Joined on Feb 2010 @ Holland	#24

Originally Posted by zimon

Thats why I think the qwerty-Otherhalf could have an extra battery integrated from the beginning. Besides, stacking Otherhalfs, although it would be technically possible, would make the device unpractically thick.

I also think the Otherhalf concept is not really as useful as some ppl think, because ppl will carry just one Otherhalf with them daily. So if Otherhalfs do not have multiple features combined, the idea is not as productive and luring as one may think.

Your arguments appear to be contradicting. But then again:

Originally Posted by dirkvl

Good idea, but off topic! 1 thing at a time. No projectors, no extra batteries, no lasers or exlosions, just qwerty keyboard.

Okay, maybe explosions, but no extra batteries.

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jalyst	2013-10-06 , 17:19
Moderator \| Posts: 5,320 \| Thanked: 4,464 times \| Joined on Oct 2009	#25

Originally Posted by zimon

Thats why I think the qwerty-Otherhalf could have an extra battery integrated from the beginning. Besides, stacking Otherhalfs, although it would be technically possible, would make the device unpractically thick. I also think the Otherhalf concept is not really as useful as some ppl think, because ppl will carry just one Otherhalf with them daily. So if Otherhalfs do not have multiple features combined, the idea is not as productive and luring as one may think.

It may be doable, but we don't yet have any indication that stack-ability is part of the TOH spec, officially at least.
I guess if it's completely doable....
Then freedom to "stack or not" should be there for those who want to get into TOH business (commercially or otherwise).*
But yes, I can see how it's not terribly practical...

/off-topic
*but with some basic minimum guide-lines that one must obey

Last edited by jalyst; 2013-10-06 at 17:29.

zimon	2013-10-06 , 17:23
Posts: 1,341 \| Thanked: 708 times \| Joined on Feb 2010	#26

Didnt quite get it why contradicting, but

N900 with Mugen battery was not too thick,and SGS3 with 7000 mAh battery is not too thick, but thicker than those start to be too much.

Integrating extra battery feature to qwerty Otherhalf would make it thinner than having the two Otherhalfs stacked.

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Egon	2013-10-06 , 18:59
Posts: 65 \| Thanked: 56 times \| Joined on Oct 2013	#27

Originally Posted by dirkvl

@maluka Starting with a bluetooth keyboard would be exactly the same. Strip everything, use the keys only, don't use BT and build from the ground up. The only difference is I don't have a BT keyboard case on hand.

@minimos The keyboard keys are only 19mm high, so it will be no problem to incorporate holes in the OH for the camera. However, solving hardware issues like this is not priority at the moment. Lets get a proof-of-concept first!
...

There seems to arise a thousand questions and suggestions around the Qwerty OH. Yes, the final keyboard layout, stackng of OHs, battery, holes for camera, etc are not yet topical for the first proof-of-concept. To help you concentrate on making the first Qwerty "prototype OH" for Jolla, my suggestion is to create separate threads for the layout-related debate, battery/connectors/camera-hole related debate, stacking and durability related debate, etc. What do you think about this kind of dispersing this debate to new threads?

The layout of http://i.imgur.com/jMYGijl.jpg seems to have an exceptionally good layout (for language-localizing etc), so perhaps I or someone else may soon start a new thread about the layout of future Qwerty OH(s). Does anyone know in what context that "artistic view" of the Qwerty was published?

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dirkvl	2013-10-06 , 19:13
Posts: 1,104 \| Thanked: 5,652 times \| Joined on Feb 2010 @ Holland	#28

@Egon: Yes, you totally understand what I want. This thread is just about getting a working prototype. Adding functionality and changing configurations is of later concern (or at least not my concern!). And please, no more discussions about batteries!

*ON-TOPIC starting point*
Okay, the first concept for pcb wiring of the keyboard is this:

Don't know what all of these lines mean? Check out the links in the first post of this thread.

This will provide a working solution for a proof of concept. There maybe more efficient ways to organize the wiring and I challenge you all to design a better one! Next step is to use these drawings and the gpio chip manual to design a full pcb. This will be connected to my RPi, so it is all about getting it to work and not about smoothing the edges.

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mikecomputing	2013-10-06 , 21:34
Posts: 3,464 \| Thanked: 5,107 times \| Joined on Feb 2010 @ Gothenburg in Sweden	#29

Originally Posted by dirkvl

Uch..
1. Jolla phone is 3.8 volt. 3.8>3.6.

Originally Posted by dirkvl

Uch..
2. This chip does not have 16 i/o ports

hmm why do you need as much as 16 ioports? AFAIK N900 did use around 4 form the HWKBD

However there is one with more pins than the one I gave. I still think that ARM is cooler to use because you can extend to not only HWKBD

Btw. 8/16bit Microchip sucks. They don't even have a compiler toolchain working in Linux means you must use windows when coding and whom want that? If using NXP or any other ARM manufactor you can use GCC toolchains and linux host

Originally Posted by dirkvl

Uch..
3. I cannot order from farnell (only for companies)

That could be solved there is other companys selling LPC its much used everywhere this days. Also there is people here that could help with getting it.

__________________
Keep safe and healthy

Last edited by mikecomputing; 2013-10-06 at 21:50.

minimos	2013-10-06 , 21:43
Posts: 646 \| Thanked: 1,124 times \| Joined on Jul 2010 @ Espoo, Finland	#30

Originally Posted by dirkvl

@minimos The keyboard keys are only 19mm high, so it will be no problem to incorporate holes in the OH for the camera. However, solving hardware issues like this is not priority at the moment. Lets get a proof-of-concept first!

Yes, but if your proof-of-concept starts with a poor usability level (e.g. you would be forced to open the keyboard to take a photo), the project IMHO won't go anywhere.