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Figure 9. Applications of ML in the field of wearable sensors. (A) The schematic of gesture recognition and wireless real-time robotic control based on the DS-TENG wearable pressure sensor array. Reproduced with permission^[219]. Copyright 2025, Wiley-VCH GmbH; (B) Different operational gestures generate distinct muscle pressure patterns, and sensors at different indexed positions collect different pressure signals. Reproduced with permission^[222]. Copyright 2024 Wiley-VCH GmbH; (C) Thermal images of the cup captured under different conditions; and (D) Interface for water level and temperature recognition in a cup, displaying recognition results and corresponding curves for different temperatures and water levels. Reproduced with permission^[223]. Copyright 2025, Wiley-VCH GmbH. ML: Machine learning; DS-TENG: drum-structured triboelectric nanogenerator; MCU: microcontroller unit.