The MSP430FR2633 is a low-power microcontroller with multiple GPIOs and capacitive touch pins. This project creates a circuit that supports a custom capacitive touch panel with LED and haptic feedback.
January 12, 2018 by Mark Hughes
This article presents some basic cap-sense circuit configurations and discusses how to deal with low- and high-frequency noise.
May 30, 2016 by Robert Keim
In this article, we will take a detailed (but not too detailed) look at the electrical principles that allow us to detect the presence of a human finger using little more than a capacitor.
May 24, 2016 by Robert Keim
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