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1  Screen Tablet malarky / Useful Links / Infra red touch bar on: December 11, 2016, 08:44:32 AM
Hi guys, just watched this infra red touch bar on Unbox therapy.

https://www.youtube.com/watch?v=QR5r1EfvheI

I am guessing someone can integrate that on a DIY cintiq build to get touch compatibility. However, a script of some sort would have to be written to disconnect it when the wacom pen is interacting.

Just put it here for some creative brain storming.

What do you guys think?
2  Screen Tablet malarky / Tutorials and useful knowledge / Lenovo graphics tablet on: October 03, 2015, 08:53:22 AM
Has anyone used one of these:
https://www.youtube.com/watch?v=vx_b1Lu5oi4

It is a 13.3 inch external display that can be connected using two USB 3.0 ports. That is all. It also has wacom drivers, thus pressure sensitivity.

I got a mail from Amazon / Woot where this is on sale for USD 200 - not a bad deal compared to the cost of a DIY cintiq.

What do you guys think?
3  Screen Tablet malarky / Build Logs / Re: 21.5 inch DIY-cintiq (haven't thought of a name yet) on: April 25, 2015, 08:56:55 AM
I put up a thin and long piece of glass (was anyways going to go waste when I got the glass cut for the top) right behind the LED strip.

Don't know if it really helps dissipate the heat, but I did not know how to fit in and power up a small processor fan inside the build.

4  Screen Tablet malarky / Build Logs / Re: 21.5 inch DIY-cintiq (haven't thought of a name yet) on: April 13, 2015, 12:11:05 PM
I think you should get rid of the aluminum foil tape - maybe the experienced guys on the forums will know better.

I am also working on my second build (shelved since the last 10 months or so though...) where I placed sheets of paper between the screen and the tablet PCB to avoid any short circuits.

Then I soldered a wire from the grounding point on the controller unit of the LCD and connected it to the grounding point on the tablet's PCB.

Initial tests have resulted in no jitter around the borders except near the LCD bulb (which I think would disappear if it were an LED strip).

All the best with your build.
5  Screen Tablet malarky / Build Logs / Re: 21.5 inch DIY-cintiq (haven't thought of a name yet) on: April 10, 2015, 09:31:28 AM
Can you post a photo of the screen assembly as is after you put it into the intuos?

I also had jitters in my build around the edges - so I took out the metal frame that kept all the different layers of the screen (diffusers, lcd panel, lcd strip etc.). I then carefully ran an insulated electric tape around instead of the metal frame to keep all the layers in place.
6  Screen Tablet malarky / Build Logs / Re: World First? Retique, PTZ630+IPAD retina panel. on: February 18, 2015, 09:01:53 AM
Just for the record - I used a sheet of glass that is 3mm in thickness. Found no issues really.

The glass cutter said I could used 2mm as well, but then that might break under the pressure of my hand (I have a heavy hand) since the area covered by the glass is too big.

Hope this helps.
7  Screen Tablet malarky / Build Logs / Re: World First? Retique, PTZ630+IPAD retina panel. on: February 17, 2015, 11:00:30 AM
Go to any photo studio that makes / prepares photo frames and they could help you out with the tempered glass.

I got mine from a furniture / glass cutter.
8  Screen Tablet malarky / Successful builds! / Re: Intuos5+15inch retina panel on: November 04, 2014, 09:09:52 AM
@profaldo- no the controller can't be powered by USB as it requires 12v and at least an amp to drive the panel.

I was looking at this:
http://abusemark.com/store/index.php?main_page=product_info&cPath=3&products_id=47

I think it is made by the same guy, Rozsny. In the description it mentions that the board could be powered by a 5v USB. I thought that bumhee used the same PCB. But I looked at it again, and that is not the case.

Bumhee - Fantastic build. This looks really really awesome!
9  Screen Tablet malarky / Successful builds! / Re: Intuos5+15inch retina panel on: November 03, 2014, 08:29:54 AM
Can the display controller be powered by USB port on a laptop?
10  Screen Tablet malarky / Build Logs / Re: Portable diy cintiq tablet build. I call it "Rapture" on: October 04, 2014, 06:59:23 AM
That's bad news. This build was really exciting.
BTW, which surface pro did you buy and how does the surface pro stack up? I am torn between that and the yoga think pad. How does the surface pro ntrig compare to the wacom?
I need something for note taking really.
11  Screen Tablet malarky / Build Logs / Re: Serenitiq 2 - Wacom Intuos 4 L + Rozsnyo DP2MBPR controller + LTN154YL01 on: September 18, 2014, 10:36:21 AM
Man that looks like a piece of art in itself!

Really excited with this build.
12  Screen Tablet malarky / Useful Links / Re: NoteOn smartpen on: September 17, 2014, 02:26:35 PM
Could'nt the pressure part be skipped completely? I mean if the cameras are scanning the lines drawn as is, then it would record the output as it - so if you applied pressure the lines would be darker and the cameras would record dark lines.

I did see a post somewhere where a guy did this with a laser mouse as you are suggesting. It was not the prettiest of designs though Cheesy

However, an interesting bit of information - the current optical mouse that we use has a small camera fitted in it which can be hacked and used as a low end scanner. That's where I got this idea from of using small cameras to scan the output. If a normal optical mouse can run for a couple of months at least using one AA battery, then if you use the same(ish?) technology and use three cameras instead then it might last you for 3 weeks or so.

These are all thoughts from figments of my imagination. I really do not have any knowledge in microcontrollers or computer hardware to actually figure out if this is a feasible / viable idea.

Here is another idea:
http://www.youtube.com/watch?v=3zx5VFm6T8M
http://www.instructables.com/id/Mouse-Pen/
http://www.tomsguide.com/us/Facebook-Like-Freedom-of-Speech-Aaron-Panner-Sheriff-Roberts,news-17042.html

And another idea, a bit limited in application though:
https://www.shopstarter.com/s/gstick-pen-mouse/

Option 3:
http://weblogg-ed.com/2007/the-wii-as-99-smartboard/
This is for large scale applications. Wondering if this could be scaled down?

By the way, in my reply, I was referring to something like this:
http://forums.furtopia.org/tech-talk/turning-an-optical-mouse-into-an-optical-pen!-3/
All the media has been taken off that link, but that is the concept that I saw some place online. The guy sawed off a mouse, changed the mirror and fixed the optical mouse into a pen / plastic pipe.
13  Screen Tablet malarky / Build Logs / Re: "Astiq" 22HD (Asus Cintiq) on: September 17, 2014, 10:26:03 AM
Btw, there are two size of iPads - the normal one and the iPad mini. The normal one measures about 9.7 inches diagonally.

Anyways, looking forward to your updates once you get the 22inch panel. A 1080p panel would be absolutely fantastic to draw on!
14  Screen Tablet malarky / Useful Links / Re: NoteOn smartpen on: September 17, 2014, 10:24:24 AM
It just clicked me, that a similar pen could actually be made perhaps with lesser electronics. Just for discussion purposes - What if one uses three small cameras placed near the tip of the pen to capture an image of what is drawn / written by the pen. That way, there would be no need for pressure sensitivity since the image would be directly transferred as it.

Some problems that I foresee with something like this:
1. The pen might not capture the last bit of information before the pen is lifted - the image directly under the nib of the pen.
2. How does the pen figure out which is the top side and bottom side.
3. How would it decide when to start and stop a recording and when has the individual moved to a new / different page.
15  Screen Tablet malarky / Useful Links / Re: NoteOn smartpen on: September 16, 2014, 08:32:57 PM
Its really amazing that this is made mostly using diy electronics.
There must be a way to build in pressure sensitivity as well. If someone is well versed with microelectronics then he/she could give this a shot.
The best feature has to be the independence to sketch wherever one wants to. I really hope this guy succeeds in his build.
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