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1  Screen Tablet malarky / Tutorials and useful knowledge / Re: wacom tablet pens on ebay. Works on UD boards! on: January 21, 2012, 02:04:44 PM
Pen arrived today. It does indeed work fully and is a single switch model. I reckon that's a bargain. Now we don't have to worry so much about losing a pen.

nationwide surplus have a good deal on

but they refuse to ship to me for less than $33. Ridiculous that they're not interested in my custom. I know they could do better. But I give those of you in the US the link anyway.

2  Screen Tablet malarky / Tutorials and useful knowledge / Re: wacom tablet pens on ebay. Work on UD boards perhaps? on: January 10, 2012, 06:52:10 PM
Thanks Bernard. Its what I figured - UP meaning ultrapad. The seller has quite a few different models. I'll check through them to see if any are duoswitch. But its a good price nonetheless.
Is the switch on single switch pens a right or left click? I don't think my wife uses the left click on the side much anyway.
I'm guessing it must be a right click.
3  Screen Tablet malarky / Tutorials and useful knowledge / wacom tablet pens on ebay. Work on UD boards perhaps? on: January 09, 2012, 04:07:07 PM
We have a UD1212R serial. I read on here that the wacom tablet PC's use the same Tech.
Anyway, here's the pen I bought. £11.99 direct from China.

It comes with spares nibs, so even if it doesn't work, we've only wasted £6 or so.
I'll let you all know the outcome. in a few weeks.
4  Screen Tablet malarky / The Trading post / SWAP UD1212R + 17" monitor with serial cables for UD1218R? -UK on: January 06, 2012, 09:43:25 PM
Been lurking here for a while but I'm now confident I have the knowledge and skills for a DIY build. I bought my talented artist wife a UD1212 over a year ago I think, used it with Opensuse 11.2 and Gimp (fine until an update ruined the driver), not knowing it had tilt support lol! I then found out it was now supported in win XP so have installed that and corel painter trial. She loves it and the tilt support too.
I bought a 2nd hand 22" monitor for other purposes, only for it to be faulty and then I got a refund on the monitor. I was messing about with it last night, testing the interface, using another power supply, when I noticed 2 blown capacitors. I replaced them and monitor is fine now! Trouble is, my wife loves the 22" (FREE!) monitor!
So instead of using a lowly 17" monitor for the tablet build, I'm wondering if anyone wants to swap for the bigger size? Might even throw in the monitor for free. However, it does have has a small chip (2mm ish) in the glass and is only VGA input. Available for around £15-20.
Long shot I know but you never know!
Thanks for reading, Kristyon.
5  Screen Tablet malarky / Heyaaaalpppp / Re: what pens/mouse can be used on ud1212r? on: February 10, 2011, 02:53:34 PM
I meant anyone tried ............doh!Must've clicked the wrong word doing a spell check.
ud1212r is the model. Looks like its harder to get pens that I thought. Might be feasible to make a mouse. pen perhaps too fiddly for my equipment. need some more detailed pics/specs of that disassembled mouse! Unless someone has a compatible mouse lying around.
I was the graphire stuff would work with it but apparently not. Embarrassed
6  Screen Tablet malarky / Heyaaaalpppp / Re: what pens/mouse can be used on ud1212r? on: February 09, 2011, 02:27:02 PM
Thanks for the info, I will read it extensively!
I was only thinking about building another pen or airbrush style device.
My wife is a very talented multi-discipline artist and she's not keen on me dismantling her only pen lol.
Certainly it should be possible to extrapolate the resonant frequency that the pen/board works on by investigating the values of components and number of turns/guage of the coil and inside the pen but I just want to make another one or 2 devices. Any insights I can pass on I will.
I don't have any high frequency test gear these days but I do have a multi-meter than can measure lower frequencies has might determining the best monitor settings to avoid.
On this note, one thing to add with the above in mind is that with linux open source video card drivers, the video mode settings can be much more precisely set and managed than I've noted in windows systems. Much more complex mind but there is plenty of documentation out there available.
A simple field strength meter could be used to discover where rf leakage comes from, some old Cb radio swr meters have them built in or the simpler ones could be adapted. They work in similar ranges to some of the frequencies generated.
I'm sure there are also designs for simple field strength meters out there too, not much to them either really, don't require batteries either, though I'm not sure how much rf energy the boards or lcd displays generate, it might be that something a bit more active may be required, ie with a small rf amp.
Annoying tried attaching a pen to a multimeter and poking around to investigate leakage?

7  Screen Tablet malarky / Heyaaaalpppp / what pens/mouse can be used on ud1212r? on: February 08, 2011, 10:31:06 PM
Got one of these for bargain price of £45 delivered, got a laptop panel spare, just wondering if anyone has tested different model mouse or pens with these older tablets?
I suspect the grapphire ones might work. Basically I'd like a mouse and spare pen before they get too scarce.
Any ideas?
Anyone stripped down a pen? I do have a quite deep knowledge of emf/inductance/rf and general electronics as well as some precision fabricating experience.
What with new 3d printers I reckon I could come up with something cheaper than the silly money wacom want for a few bits of metal and plastic.
8  Screen Tablet malarky / test / Re: test on: February 08, 2011, 10:24:55 PM
cant seem to start a new topic so test
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