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Lo et al. announced a patent regarded to heating radiator with multiple sensing and control functions which included the voice controlled applications. Xu et al. studied on the user¡¯s voice command input into the microphone and the voice was recognized by the Arduino UNO with voice recognition module to turn the power switches on or off. Li et al.presented the wireless voice-controlled movable electrical heating radiator which based on the prototype Xu et al¡¯s study and improved the functions of button or voice controlled the radiator by smartphone APP; heat radiation power control, moving control and timing control; and feedback artificial synthesis voice for instruction, temperature feedback, and ultrasonic sensing for anti-collision. |