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Designer's Guide to Rapid Prototyping of Capacitive Sensors on any surface | Cypress Semiconductor

Designer's Guide to Rapid Prototyping of Capacitive Sensors on any surface

Last Updated: 
Jan 06, 2013

This article discusses how to replace the mechanical buttons on a product with a smooth and sleek touch-sensitive surface.  It presents the concept of prototyping capacitive sensors on any nonconductive surface using silver-ink pens and copper tape.  Topics included are capacitive sensor basics, silver-ink and copper tape, and construction technique. Measured results are presented for sensors applied to the back side of a simple acrylic sheet. To read more on this topic, click the download links above or view the full article on

Planet Analog.

Translated documents are for reference only. We recommend that you refer to the English-language version of a document if you are engaged in development of a design.