The appearance of intelligent robots in life and medical fields will have great economic benefits. In restaurants, they can achieve zero-error food distribution, while in hospitals, intelligent robots can be used to replace doctors to enter the infected area for drug distribution. In addition
+Ultrasonic sensors are sensors that convert ultrasonic signals into other energy signals, usually electrical signals. It is an important branch of sensor products and accounts for a large proportion in the entire sensor industry. Ultrasonic sensors are widely used such as:Liquid level measurement: s
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