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Re: TuxScreen-Vest

From: Marcus Wolschon <>
Date: Mon, 06 May 2002 17:08:14 +0200

Are you dead? ;)

Marcus

Ralf Ackermann wrote:

>Hi Marcus,
>
>i've done the TuxScreen => TuxPad modification a while ago and have some
>devices here. Are you in Germany (Rostock)? I could send you the backlight
>component or a whole DSTN display for doing your experiments.
>It won't reach you till tommorow though i guess.
>
>I'll also try to measure the voltages / current on the backlight adapter
>board as soon as i come home and can access my TuxScreen.
>
>regards
> ralf
>
>
> On Thu, 2 May 2002, Marcus wrote:
>
>  
>
>>I've nearly finished a vest with a TuxScreen as computing-core
>>using it's touch-screen. :)
>>I started a page on the wiki at
>>http://wearforge.perilith.com/bin/view/Main/WOC2 for it.
>>
>>Now I have a problem. The DSTN-Display has a small board atached to
>>it with a capacity, 2 inductivities and a few other parts. I lengthened
>>the cable between it and the backlight and made a temporary cover from
>>plexi-glass and tape. It did work after that. Then I began working on
>>the vest and fittet evertything in there for a while.
>>Then I took cpu and display out and tried to power them up again but
>>the display stays black. I can see the system comming uo the the serial-
>>port, login and everything but the display stays black.
>>
>>I damaged the cover of the smaller inductivity but it still worked after
>>that and I cannot make out any damage on the CPU- nor the comm-board or
>>the conectors.
>>
>>On the input-side of the small board I can measure 3.3V, 5V and some
>>0.xV-signals but nothing on the output-lines (I expect it to generate
>>AC but the multimeter does not show AC(200 and 750V selected, never used
>>that before) not a DC voltage-drop).
>>
>>If the cable to the display has been damaged somehow I would expect the
>>backlight to still come on.
>>
>>Any suggestions what I meight look for?
>>I wanted to wear the system tomorrow on the local CCC-meeting. :(
>>
>>Marcus
>>
>>--
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>>
>>    
>>
>
>  
>

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