Re: [RFC/RFT] [patch] Elo serial touchscreen driver

[Jan-Benedict Glaw]

On Wed, 2005-02-09 22:53:35 +0100, Vojtech Pavlik <vojtech@xxxxxxx>
wrote in message <20050209215335.GA2634@xxxxxx>:
> > That cannot be done. Just hit a resistor-based touchscreen once with a
> > hammer. You'll probably see that you need a physical recalibration
> > then... Or flood it with water-solved citronic acid and let is on the
> > screen for some days. That's funny, but it's real life...
> 
> You'll need a new touchscreen most likely. The hammer will break the
> glass if you hit it properly, and if the citric acid gets between the
> resistive layers, you get nonlinear distortion of the resistivity and
> that cannot be calibrated for.

If they were private customers, sure, they'd just buy a new touchscreen.
But in reality, as long as it somewhat "works", it'll be used as long as
possible.

MfG, JBG

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