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1  Screen Tablet malarky / Monitors / Re: Screen scratch repairs - Buff out or Squeege Fill? on: April 25, 2017, 06:38:26 PM
If it were me, i would not mess with epoxy or such compounds unless i have to. Normally when you buy secondhand there is always a "matte stain" in the middle where most of the drawing happens. The 21UX-es come with a plastic film coating on the glass in order to simulate a "paper like feel" and it gets worn out pretty quickly. But, with some patience it can be peeled off completely - after that you just need to place a screen protector over the bare glass and it should look as good as new. Here's a link for reference.

2  Screen Tablet malarky / Design issues / Re: wacom emr board from fujitsu tablet how to connect on: April 25, 2017, 08:26:11 AM
Yeah, if it's metal there it's a lost cause. Guess i haven't dealt with many modern laptops as the ones i've opened have always been plastic on the back.
3  Screen Tablet malarky / Design issues / Re: wacom emr board from fujitsu tablet how to connect on: April 23, 2017, 01:32:17 PM
1) It's possible, but you normally won't find them alone. Most of the time they come with the LCD screen as one unit like in the link.
2) That will be tricky because nobody here has much experience with the newer-generation digitizers like on the T734. It's very likely they're USB, but the pinout is a mystery. The AES digitizer likely uses USB as well, so you may be able to get away with splicing its cable and routing it to the EMR digitizer instead. The EMR digitizer itself just peels off and you should be able to stick it to the back of the Dell screen if the size matches and there are no obstructions.
4  Screen Tablet malarky / Heyaaaalpppp / Re: Wacom alternatives on: April 18, 2017, 08:57:40 PM
Older Wacom digitizers (especially the Intuos 3 series) seem to be available pretty cheaply used (I got an A4 version for 25€ and a A5 version for 20€ some time ago).
As for alternatives there are quite a few but most of which I tried didn't come close to Wacom (I heard some good things about XP-Pen and Huion but I never tried those two).

The digitizers yes, but the pens (ZP series) are rather expensive, more than the KP-series for the Intuos 4 tablets. If you can find an Intuos 3 with a pen at a reasonable price, it's a bargain. They are mostly 4:3 though.
5  Screen Tablet malarky / Heyaaaalpppp / Re: diy cintiq with fujitsu T5010 screen on: February 19, 2017, 01:06:15 PM
The T731 digitier looks like one of those newer generation ones, so it may be USB. Not much info on the pinout for those sadly... Have you tried testing with a multimeter or peeling back the cable to see how many of those pins are actually connected to anything?
6  Screen Tablet malarky / Heyaaaalpppp / Re: Suitable wacom on: January 07, 2017, 12:22:13 PM
So any wacom is big  enough is suitale?

That depends on what you consider "suitable" - you can put any tablet behind a screen, but if it's smaller you won't be able to use all of the drawing area. If the screen is too thick, you will get bad pen detection and jitter. It's not as simple as "this model works, this model doesn't". Do a little research, there's plenty of info here.
7  Screen Tablet malarky / Heyaaaalpppp / Re: Suitable wacom on: January 04, 2017, 05:49:36 PM
It's rather small, you need to look for ones that match the size and dimensions of existing LCD screens.
8  Screen Tablet malarky / Heyaaaalpppp / Re: Fujitsu T904 based build - 2K 13" screen - digitizer connector? on: December 20, 2016, 09:36:31 PM
Thank you so much for the link- do you know if I would be able to exchange the screen with any of those other ones and still keep the digitizer and drawing capabilities intact? I use this for all of my art so I really need to keep its drawing ability, and I'm not sure if the digitizer is a separate piece or somehow bound to the screen itself. Also, would I need any kind of specific LED strip to just replace that, or could I find that more easily? I'm sorry if these are obvious questions or anything, I don't know much about screens. I've figured that it is probably a light problem because I have a vertical band on the screen with color distortion and flickering and heat at the bottom, but every computer specialist I've been to has been unwilling to help or open the screen to check this. I was wondering if I could simply replace the LED strip which would be obviously ideal.

I don't see why not - worst case is you'll have to transfer the digitizer from your old screen onto the new one. They're just stuck on the back with some adhesive, it's not a big deal. You don't even need to stick them on super accurately either, as running a calibration should compensate for any slight offsets. You can even stick it onto a screen without a digitizer if it's cheaper, though nowadays the price is usually the same with or without one. As for the LED strip, they're often a size and arrangement specific to the panel, you can search eBay for a suitable replacement.
9  Screen Tablet malarky / Heyaaaalpppp / Re: Wacom Digitizer from Thinkpad X60/X61 Tablet on: December 15, 2016, 12:57:46 PM
Are you referring to the pen digitizer on the X61t or the touchscreen that's included in some models? Because connecting the pen digitizer is pretty easy and straight-forward, but i haven't seen anyone connect the touchscreen yet.

Pen digitizer only. It doesn't have touch, besides, I don't like using touch at all.

So, WaxBee on a Teensy, and it should work fine, right?

Yep. Pinout is:

Pin 1 -> GND
Pin 13 -> VCC 3.3V
Pin 10 -> TX
Pin 9 -> RX

At least that's what the pinout has been for all the digitizers i've tried, one of which is from an X61T.
10  Screen Tablet malarky / Heyaaaalpppp / Re: Wacom Digitizer from Thinkpad X60/X61 Tablet on: December 14, 2016, 11:54:31 AM
Necrobump!

Any luck with this build? Were there any advancements made, here or elsewhere, in getting these to run?

I've got an elderly X61t with a SU5E-12S05AS-02X, and looking forward to start the conversion.

bernard,
talking about UnderSampled, which thread are you referring to?

http://forum.bongofish.co.uk/index.php?topic=1659.90 this

Are you referring to the pen digitizer on the X61t or the touchscreen that's included in some models? Because connecting the pen digitizer is pretty easy and straight-forward, but i haven't seen anyone connect the touchscreen yet.
11  Screen Tablet malarky / Useful Links / Re: Infra red touch bar on: December 11, 2016, 11:47:05 PM
You can buy an actual touchscreen digitizer glass at that price (or less) from say, an HP touchsmart laptop or similar. You can also find tabletPC screens with wacom pen+touch digitizers built in. Fun gadget, but i doubt it has the multitouch capability needed in a cintiq-type application. Even with proper touch support on the real thing, i havent seen one cintiq user that actually uses it, everyone prefers to just use the side buttons.
12  Screen Tablet malarky / Heyaaaalpppp / Re: Fujitsu T904 based build - 2K 13" screen - digitizer connector? on: December 08, 2016, 11:11:31 PM
Hey, sorry to butt in like this, but may I ask where you found this screen for sale, and if it's still in stock? I have a T904 with a faulty screen (seems like a light problem) and have been trying desperately to find a replacement with almost no luck. I'd really appreciate it, thank you.

Look for similar ones from Sharp on panelook.com that use the same pinout on their datasheet. Most starting with "LQ133T1JW" ought to be interchangeable, but check the datasheet just to be sure. If your current panel only has a backlight issue, you should be able to swap out the LED strip with a new one. There's plenty of LQ133T1JW02's on eBay, seems like the main difference is that they're thicker and taller than the W17's by just half a millimeter.
13  Screen Tablet malarky / Build Logs / Re: Experimenting with the HP 2710p Tablet PC digitizer (SU-12W18A-01X) on: November 02, 2016, 04:02:55 PM
Quote from: ThrowingChicken
I went ahead and picked one of these up.  Which LCD controller are you using?  Is the pin out for the Teensy the same as it was for the 2710p digitizer? 

I replied to your email about this, but i'm going to post the info here too for anyone interested:

I'm using this controller here: https://www.aliexpress.com/item/HDMI-LVDS-Controller-Board-40-Pins-Lvds-Cable-Kit-for-Raspberry-PI-3-LP156WH2-TLA1-TLE1/32645792288.html

I told them to program it for an HX121WX1, should work equally well on the non-transflective HV121's too.
- Be warned that it does get kinda hot.
- You will have to send them a message with the datasheet and ask them include the correct cable for your panel, which is an extra 7$. They will ask you to add the controller to your shopping cart etc. without paying. It's so that they can readjust the price first before you pay.

For the Teensy - Yes, pinout is the same across all the serial digitizers with a 14-pin connector, at least the ones i have here. It's:

 
9 - RX (D2 on the Teensy)
10 - TX (D3 on the Teensy)
13 - VCC
14 - GND

I think you can use Pin 1 as ground also, check on your connector. I've tested this setup on at least two 2730p digitizers (SU-12W18A-04X), one from a Toshiba Portege R400 (SU-12W07E-01X) and some 4:3 ones from an HP TC4400 (SU-025-C02) - all of them work.

My suggestion would be to get some cheap switching dc step down modules (such as LM2596) and remove or bypass the linear regulators.

Not a bad idea, but doing that is not as easy since the board is entirely SMD components. Even just a beefier regulator should do the job, but putting it on there might pose a challenge.
14  Screen Tablet malarky / Heyaaaalpppp / Re: Has anyone replaced the CCFL in a Cintiq 21UX? on: October 28, 2016, 12:52:43 AM
Nice! I'm glad to hear you got it revived and running. Dust can be really annoying, i heard that running some hot water in the bathroom to create steam helps keep dust particles out of the air. High moisture is probably not good for the electronics though...
15  Screen Tablet malarky / Heyaaaalpppp / Re: DIY Laptop, charging curcuit / display controller board on: October 04, 2016, 10:05:25 AM
Most of the time the seller of the display controller boards will look at the datasheet and fashion a cable with that connector. For LVDS it's the mating connector for the LCD on one side, and on the other it's a standard 2.54mm duPont-type header connector. It's probably the same for eDP, so it's easiest to ask them to make a cable for you, they're about 5$ or so. If the connector on the LCD side is the same as your old display, all you'd need to do is make sure the pins on the board correspond to the ones in the LCD's datasheet and rearrange them if necessary.
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