The application principle of Hall elements in massagers: In massagers, bipolar Hall elements are usually embedded in vibration devices. These elements cooperate with internal sensors and motor systems. When the massager touches the human body, the Hall element senses the position and vibration state of the massager. This information is transmitted to the system, and the system adjusts the vibration frequency and strength through real-time analysis of the data to ensure the accuracy and comfort of the massage.