2 layers46.7 × 32.1 mm

CrownTouch
moxdlab/CapCrown
Petersen, David; Reuter, Marvin; Böhmer, Matthias: CapCrown: Enhancing Smartwatch Interaction by Detecting Fingers when Rotating the Crown Using Capacitive Sensing.
9 parts
Printed circuit boards designed in KiCad and published on GitHub, each with its parts, layers and size, its README and its files; open any of them in PCBKit.

moxdlab/CapCrown
Petersen, David; Reuter, Marvin; Böhmer, Matthias: CapCrown: Enhancing Smartwatch Interaction by Detecting Fingers when Rotating the Crown Using Capacitive Sensing.