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Review Blogs Elegant and Robust Capacitive Touch Interfaces - Part 5 - Gloves
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  • Author Author: Workshopshed
  • Date Created: 2 Sep 2016 8:39 PM Date Created
  • Views 256 views
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  • capacitive sensing

Elegant and Robust Capacitive Touch Interfaces - Part 5 - Gloves

Workshopshed
Workshopshed
2 Sep 2016

To some extent gloves are a harder challenge for a capacitive sensor than thick front panels as the sensor can't be calibrated up front for a specific pair of gloves. For my testing I picked 3 different gloves. The first are heavy duty PVC, the kind you might use when handling chemicals, the middle glove is a welding gauntlet with cotton lining and finally the last glove is a thin leather, typically used for TIG welding.

image

The board boots into it's default configuration the settings I'd been using in the last session were lost. I set the conversion count to 1000 and gain to 175 as before. The touch threshold was reduced to 5 and the proximity threshold was increased as it was registering false positives when not wearing gloves.

 

The PVC glove worked fine with these settings as did the TIG glove with the thin leather. Even the heavy duty welding gauntlet registered the key presses just fine. The only issue with these last gloves was that it was hard to target the buttons as the glove finger was bigger than the buttons, so for this reason you'd want to put bigger buttons and/or separation for panels for gloved operators.

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