Windows 10 IoT Core

GeerGuy

Are any of your touchscreens supported in Windows 10 IoT Core?

I connected a NHD-7.0-HDMI-N-RSXV-RTU to a RPi3 running the newest Core version, the display works great, but no touchscreen.

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6 comments

Date Votes
  • GeerGuy

    I got it working by powering the display and RPi up at the same time.

    Still have an issue with the touch calibration.  With a mouse I can get to 100% of the screen, but with touch there is a ~1/4" "dead" space along all edges (top, bottom, left and right).  This is a major issue since you can't use any buttons that are located close to the edges or the normal location for scroll controls on the right side.

    Is there a way to calibrate the touchscreen?  If not, this display is not suitable for most Windows 10 IoT Core applications.

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  • Paul_B

    Hi,

    The AR1100 (Resistive Touch Screen Controller IC) shows up like a USB mouse, it works on all operating systems as the computer doesn't know it's a touch screen, it just thinks its a mouse. You can adjust the AR100 to consider itself a Touch Digitizer, supported by many but not all computers.

    If you have a Raspberry Pi available you may re-calibrate the touch IC via USB using the following program:

    https://github.com/tom-2015/rpi-AR1100

    or

    If you have a Windows computer you may re-calibrate the touch IC via USB using the following program:

    http://www.microchip.com/wwwproducts/en/AR1100#documentation


    Hope this helps,

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  • GeerGuy

    I have calibrated my display with a Raspberry Pi using rpi-AR1100 and it still has a ~1/4" area on all sides that can't see any touch.

    Using a Win10 computer with the Microchip AR1100 Cal Config, how should the preferences be set?

    Number of wires?  4 or 5?
    USB Mode?  Mouse

    Is the Calibration Inset % the "dead" area that I'm seeing?  Can this be 0 or 1%?

    Will these setting be stored in the display?

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  • Paul_B

    Unfortunately, its a limitation of this type of touch panel   

    For the best edge to edge touch performance it is highly recommend to use the Capacitive Touch version (if possible):

    https://newhavendisplay.com/7-0-inch-premium-capacitive-hdmi-tft-module/

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  • Saurabh_B
    The capacitive touch panel displays also provide a better resolution.
    Could you also provide a video of where the displays cut off?
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  • GeerGuy

    This is with a full screen canvas.  The yellow is with a standard mouse and the blue lines is as far as the touchscreen will work with a stylus.  The dead space is the same with Win 10, Win 10 IoT Core and Linux.

    https://www.dropbox.com/s/3tom4cpe4jmflho/20181010_201921.jpg?dl=0

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