Fundamentals of electrostatics & capacitance for capacitive touch sensors
Contents of chapter 1
1.1 The basics of electrostatics, current and conductors
Learn the definitions of some of the most commonly used expressions in capacitive touch sensing.
1.2 Fundamentals of capacitance
You’ll understand the fundamental case of the parallel-plate capacitor which will give you an intuitive understanding of how capacitance changes in actual designs!
1.3 Introduction to capacitive touch sensors
You’ll get acquainted with capacitive touch sensors, by analyzing how the geometry of the electrodes, the dielectrics and the traces affect their capacitance.