[minh7a6] loves the Adafruit Feather, but sees some room for improvement. First is the matter of 5V tolerance. While just about everything is available in a 3.3v range these days, sometimes it’s just ...
Abstract: In this article, an ultrahigh -sensitivity microwave liquid sensor based on a 3-D comb-shaped capacitive (CSC) structure is developed for detecting the relative permittivity of liquid ...
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