Version: **
Translation - Japanese: PSoC®4のアプリケーションによる自己容量と相互容量の選択 – KBA220228 - Community Translated (JA)
Question:
How do I choose between self-capacitance and mutual-capacitance for an application?
Answer:
The following table lists the preference for choosing self- or mutual-capacitance sensing for different applications:
Usage | Self-capacitance | Self-capacitance + Shield | Mutual-capacitance |
Regular buttons or Sliders (no waterproofing) | Preferred | Preferred | Preferred |
Waterproof buttons or Sliders | Not Preferred | Preferred | Not preferred |
Matrix keyboards (one button at time) | Preferred | Preferred | Preferred |
Matrix keyboards (multiple buttons at time) | Not Preferred | Not Preferred | Preferred |
Proximity sensors | Less Preferred | Preferred | Less Preferred |
Liquid level sensors | Preferred | Preferred | Preferred |
Encoders or Position sensors | Less Preferred | Less Preferred | Preferred |
