NHD-5.0-800480FT-CTXL-CTP touchscreen sensitivity

Randy Haas

Need to increase NHD-5.0-800480FT-CTXL-CTP touchscreen sensitivity, Is it capable of working with a 3mm acrylic cover panel?

This is in the FT81X data sheet:

- Hold the touch engine in reset (set REG_CPURESET = 2)
- Write the CTPM configure register address and value to FT81x designated memory location
- Release the touch engine reset (set REG_CPURESET = 0)

Is arduino code available to do this? I am just started out with these displays and would appreciate the help - confused how to access the CTPM thru the FT81x commands. Thanks

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  • Engineering Support
    Community moderator

    Hi, 

    We can increase the touch sensitivity by programming the FocalTech IC on the CTP.

    Unfortunately, we do not have any code available to configure the CTPM registers on the FT81x IC.

    If you are interested in a custom solution for increasing the touch sensitivity for the FocalTech IC on the CTP, please reach us at nhtech@newhavendisplay.com.

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