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Capacitive sensing using period method

Posted: 04 Jun 2009  Print Version  Bookmark and Share Subscribe

Keywords: module  capacitance  capacitive sensing 

[Summary of tips] The basic principle is that a relaxation oscillator will be created with the microcontroller and the sensing pad's capacitance. This oscillation should be on the order of 200kHz to 500kHz (using the Cap Sense Module or CSM, no work is required but to have a sensor pad, and the oscillations will be in this range when using the h......
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