fig4

Figure 4. (A) Thermoelectric sensors on the glove and the thermoelectric sensing diagram(left) and Map of voltages in the fourteen knuckles corresponding to the hand gestures (right)^[89]. © Wiley 2022; (B) The distribution of datasets in a two-dimensional space composed of PC1 and PC2 axes (left) and demonstration of window display of user and stranger after writing down word “CODE” on the e-skin (right)^[90]. © Wiley 2024; (C) Overview of the self-powered identity recognition based on the TGH^[91]; (D) Application of multimodal e-skin PLG in health monitoring^[92]. © Wiley 2024; (E) Schematic representing the device assembly during writing on the 25% PVA/EG hydrogel sensor. Copyright 2023, Elsevier; (F) Schematic illustration of the wearable device as a smart glove integrated with multiple E-skins and its sensing signal acquisition circuit^[85]. Copyright 2024 American Chemical Society. PET: Polyethylene terephthalate.