Extended Data Fig. 1: Illustration of the QI-compatible wireless charging ability.
From: Encoding of tactile information in hand via skin-integrated wireless haptic interface
a, Photograph showing the flexible PCB of driver unit circuit with foldable part of QI wireless charging module. b, Photograph showing a soft driver unit getting charged on a commercial QI-compatible wireless charger. c, Current curve of the battery during wireless charging for about 15 min. 200 points averaging smoothed curve indicated in orange. d, The growing battery voltage versus charging time (n = 3 times of the independent charging process; error bar, SD).
