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Liquid-level sensing based on capacitive sensors comes with its own challenges. It’s like absolute capacitance sensing. Unlike touch detection, the absolute value of the liquid level needs to be ...

Most proximity sensors use an electromagnetic field to sense the presence of a target metal. But there are times when it's necessary to sense nonmetallic materials such as plastics, liquids, or ...

This application note describes briefly important factors for the usage of the PCF8883 and PCA8886 sensor devices. Sensor devices, or capacitive proximity switches in particular, is always a ...

Capacitive-based touch-sensor switches are gaining popularity for appliance, automotive, and industrial applications for many reasons. They’re aesthetically appealing, flexible, easy to manufacture, ...

If you’ve got a smart home, or you just want to know how soaked your garden is getting in the winter, you might want to measure rainfall. There are a bunch of ways to go about it, and this capacitive ...

Schurter is aiming at easy-clean and sleek-looking surfaces with a ‘capacitive hidden switch’ that can be mounted behind thin non-conductive panel. Called the ‘CHS’ range, they come in three versions: ...

In the last Sensor Sense we looked at capacitive touch switches used for on/off control. But these switches are also found in capacitive touch sliders that can control various levels, such as volume ...