pressure sensor pads
IC used for pressure sensitive touch (do not need the position, only the pressure)?
I wanted to know what type or IC sensors should be used to detect pressure through devices like the touch pad. I wanted capactive solutions but most of the cap-IO sense I see are simple ON / OFF. I am looking for something with 8bit and more distinction between how hard it is pressed. Even without a laptop touchpad sensing location and the size of a postage stamp.
Look at the films and piezoelectric strain gauges. Signal, so that these sensors can be quite simple. Also here is a good place to ask sensor-related issues: http://tech.groups.yahoo.com/group/sensorforum
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