[CoLoCo] touchscreen help needed

Bart Saunders saunders.bart at gmail.com
Wed Dec 1 05:18:59 GMT 2010

Hey all,

I got an inquiry email today about using Ubuntu with touchscreen devices in
which the calibration is off.  I do not have any experience with this so I
thought I would forward the question to all of you to see what you all can
come up with.  This could be a side gig for someone.  Here is a copy of the
email I received.

"We need some local help for an Ubuntu server issue here in Denver.  We are
trying to connect a client-side touchscreen monitor through a USB connection
to an Ubuntu server.  The touchscreens are hard-wired via CAT-5, but USB
adapters on the endpoints, to the Ubuntu server.  Think about a 10-20 foot
CAT-5 wire with USB connections.  The touchscreen client does not have an
O/S installed, rather acts as a peripheral monitor device connected to the
Ubuntu Server.

We are trying to create a home automation solution based on Ubuntu as the
server and the peripheral touchscreen monitors.

Eventually, we will use the software from Userful.com to allow 10 of these
touchscreen peripherals to connect to Ubuntu simultaneously; however, we
haven't gotten to this point yet because of issues with having 1 connection.

We are having some configuration issues with the screens getting the visual
display to work.  The axis and calibration are backwards (scroll left on
touchscreen, but pointer goes right on screen) and some other issues with
the overall Display.  The touch works fine, just the display is having

Is this something someone can help us with?  We can setup a demonstration of
the issue as well."

Let me know if you may have a solution for this person.
Bart Saunders
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