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Hands free gesture controlled trolley system for use in e.g. shopping application, has microcontroller unit receiving, processing, and transmitting control signals for movement of trolley based on user gestures detected by accelerometer 2025-03-23
Portable frothing device comprises high-torque motor integrated into compact pen-like body; rechargeable lithium-ion battery for providing power to motor; button control for turning frother on and off and adjusting speed of motor; frothing head located at end of pen 2024-11-13
Battery charging system for electric vehicle, has electronic control system for regulating switching device for electrically connecting battery to power supply system for charging and disconnecting another battery from supply system 2023-08-14