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1  Screen Tablet malarky / Heyaaaalpppp / Re: Help identifying pinout on tablet pc digitizer on: November 24, 2013, 05:48:58 PM
I have Wacom SU-025-C01 taken from HP TC4400 (12"). It's working internally on serial (has pins 1, 9 - 14 connected). On 1 and 14 there's GND, 13, 12, 10 - 3.3V (measured on ribbon from laptop, not connected to wacom).

Oh, and it has got ZD1 soldered! I'm attaching photo of circuit board here

I'm trying to connect this to PC. As it uses 14 pin connector, I tried to connect to USB. After connecting 1,2,14 to GND, 13 to 3.3 or 5V, 3 to D- and 4 to D+ nothing happens. Does that mean that this one is RS232 only? If so, anyone succeded to use penabled tablet on RS232 connected to regular PC? I'm asking because when i disconnected it from TC4400, it's still visible in device manager, only with exclamation mark.
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