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Using Capacitive Sensors to Measure Glue Thickness

I was looking around for a comparison of what feels like the hundreds of capacitive touch sensors out there to find the best one for Adafruit (it’s more time consuming than you’d think!), and I came across an interesting page from Lion Precision detailing some of the many ways capacitive sensors are used for precision measurements in industrial settings (this stuff doesn’t just make its way into smart phones!).  One of the more interesting was measuring glue thickness on paper with capacitive sensors.  There’s even a short video that does a good job of illustrating the measurement process.  Curious about some other potential uses of capacitive sensors or probes?  Check out the application section here.

I’m always really interested in the way sensors get used in commercial and industrial settings, and it’s a great way to get the wheels turning in your own head.  Have any interesting app notes or presentations on neat ways to measure things? … post them up in the comments below!


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