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Capacitive switches prove you can look AND touch

The capacitive switch (and related e-field sensor) has been around for a long time, but in recent years their popularity and applicability have zoomed, as the somewhat complex interface circuit has been put into an highly integrated ICs.

These no-moving-parts switches makes a lot of sense (sorry about the pun) in appliance, automotive, and industrial applications and they allow a new way of thinking about panel layout and appearance, as well. We have published many articles on design considerations as well as new part announcements, among them the following:

1) “Capacitance-to-digital converter eases touch-based switch implementation”

http://www.planetanalog.com/showArticle.jhtml?articleID=174909781

2) “E-field sensor yields nonmechanical touch (or not) switch”

http://www.planetanalog.com/showArticle.jhtml?articleID=180203980

3) “Capacitive touch switches boost automotive interface options”

http://www.planetanalog.com/showArticle.jhtml?articleID=180201397

4) “E-field sensor yields nonmechanical touch (or not) switch”

http://www.planetanalog.com/showArticle.jhtml?articleID=180203980

5) “E-field sensor IC finds new markets”
http://www.embedded.com/showArticle.jhtml?articleID=180203054

6) “Integrate a capacitive sensor into your handset, Part II”

http://www.planetanalog.com/showArticle.jhtml?articleID=181503804

Check these out, and bring yourself up-to-date on this technology and its available implementations!

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