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Looking for some excellent online resources? Read this!

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I was trying to locate some information on capacitive sensors so naturally, I turned to the World Wide Web to see what I could find. As I was looking through the search engine results, I found a link to Sensors Magazine, and a two-part article on capacitive sensors that I highly recommend you read. Capacitive Sensor Operation Part 1: The Basics and Capacitive Sensor Operation Part 2: System Optimization do an excellent job in describing the basics through what you need to consider in applying capacitive sensors.

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The Killer Application for Capacitive Sensors

Written by: Bjoern Schaefer

Capacitive sensors certainly serve a niche within the group of proximity sensors.  This niche makes people overlook the most striking feature this technology provides us – remote detection of any liquid through glass or plastic walls.  On the first look that does not sound too exciting and I agree, as long as you have not been tasked to specify a sensor to accomplish this very job.

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The 3-Tiered Position Sensing Hierarchy

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There are three general classes of position sensors that – taken together – form a position sensing hierarchy.  This hierarchy applies to any underlying sensing technology, for example inductive, capacitive, ultrasonic, or photoelectric.  Going from the most basic to the most advanced sensor operation, the hierarchy includes:

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Capacitive Sensors – Part III

Written by: Bjoern Schaefer

Typical Dielectric Material Factors
Typical Dielectric Material Factors

The general sensing principle across this myriad of applications is nearly the same. As seen in last months post, the total amount of capacitance, as we remember, the ability to store a charge within an electrostatic field, depends on mainly three factors. Those factors are the ones which determine the success of your application.

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