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Lost Pen tablet pen, Is it possible to build one ? Answered

 
This is my pen tablet  Here  and its model name is iball WP 4030 find it on manufactures site .
I lost pen. I found its using electromagnetic technology. Is it possible to build that pen ? (cordless digital stylus pen with a pen tip and two barrel buttons, what are these how does these things work ?)

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GoodhartBest Answer (author)2009-11-06
That just may be a bit beyond the DIY homebound maker, depending on just how compact the pen is and how much "tech" it needs to hold.
 

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milans (author)Goodhart2009-11-06

 Thanks for reply. So there is no chance for DIY. :-(
 Do you know whats inside that pen and how it work ? (Please don't tell me to google it)  ;-)

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Goodhart (author)milans2009-11-06
Well, I am not saying absolutely no chance, but depending on what that pen does, the electronics may be fairly sophisticated and will definitely be tiny (SOT and smaller parts).

No, I don't know what is inside, nor how it works as I am not sure of all of it's functions, but if it is more then just a device for completing a circuit (with software doing everything else), it may be fairly complicated.
 

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milans (author)Goodhart2009-11-10

I see its complications inside that pen, I'll buy a new one soon thank you very much for your time to reply. ;-)

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orksecurity (author)milans2009-11-06

Typically, these involve circuitry which couples inductively with the tablet to sense position as the tablet's grid wires are pulsed, plus a strain gauge or similar (or at least a switch) to detect pen-up versus pen-down and how hard you're pushing, plus a short-range radio transmission to get that information back to the logic in the tablet.

You'd have better odds of homebrewing if this was a tablet with a wired pen and without pressure sensitivity. As is... Buy new pen, or buy new tablet.

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milans (author)orksecurity2009-11-10

 Thanks you very much orksecurity for explanation. I thought it was easy. I see lots of things are complex. I'll buy a new one ;-) 

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Prodigity (author)2009-11-06

Quoted from wikipedia:
"Electromagnetic tablets

You probably are better of buying a new pen, trying to build one yourself would likely result in inaccurate pressure sensing levels and such.

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Prodigity (author)Prodigity2009-11-06

Lol quote disappeared:
Electromagnetic tablets

Wacom's are one example of a graphics tablet that works by generating and detecting an electromagnetic signal: in the Wacom design, the signal is generated by the pen, and detected by a grid of wires in the tablet. Other designs such as those by Pencept generate a signal in the grid of wires in the tablet, and detect it in the pen.


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milans (author)Prodigity2009-11-10

I've decided to buy a new pen for my tablet. Thanks a lot for your descriptions and your comment. ;-)

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acidbass (author)2009-11-06

agreeing with Ghart ummm did you get a warranty with it if so the warranty should take care of it

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