01 Introduction The analog sensor utilizes the Hall effect to provide an analog output of magnetic field strength. It can not only detect the presence of a magnetic field but also measure its intensity. Compared to digital output Hall effect sensors, it offers higher positional detection accuracy. 02 Principle This analog Hall sensor uses the … Read more
01 Introduction The Hall effect sensor is a type of sensor that detects the presence of a magnetic field. Similar to the linear Hall sensor introduced earlier, it does not provide a linear output of magnetic field strength but can only indicate whether a magnetic field is present. 02 Principle This Hall effect sensor uses … Read more
01 Introduction The linear Hall sensor is a type of sensor that utilizes the principle of the Hall effect, which generates a potential difference as the magnetic induction intensity increases through its linear region. It is commonly used for measuring physical quantities, such as fuel gauges and liquid level meters. The joystick used in game … Read more
Among various sensing technologies, the most commonly used and widespread method for detecting magnetic fields is the Hall effect method. Based on the Hall effect, many Hall effect sensors or transducers have been found in various applications, primarily used for sensing proximity, speed, current, and position. This is due to the ability to construct Hall … Read more
The potential difference generated by the Hall effect is very small, often only a few microvolts. Therefore, Hall sensors often have a built-in high-gain operational amplifier and may be combined with other system circuits based on overall requirements. The overall architecture is shown below. Typically, the final output signals from Hall sensors can be either … Read more
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Overview of Magnetic Sensors Magnetic sensors have basic characteristics such as non-contact measurement, high reliability, robustness, and high measurement sensitivity. The magnetic field can penetrate many non-metallic materials, triggering the exchange process without direct contact with the target object. By using magnetic conductors (such as iron), the magnetic field can be conducted over longer distances, … Read more
High School Knowledge Search Mini Program Key Point 1: Sensor 1. In modern technology, a sensor refers to a type of component that can sense non-electrical quantities such as force, temperature, light, sound, and chemical components, and convert them into electrical quantities like voltage or current based on certain rules, or convert them into the … Read more
One of the four great inventions of our ancestors in China—the compass—is widely known. For modern sensor technology, it can be regarded as the predecessor of magnetic sensors. In today’s electronic age, magnetic sensors have a wide range of applications in motors, power electronics technology, the automotive industry, industrial automation, robotics, office automation, household appliances, … Read more
1 Basic Knowledge of Common Sensors The definition of a sensor is: “a device or apparatus that can sense the specified measurement and convert it into a usable signal according to certain rules, usually composed of a sensitive element and a conversion element.” A sensor is a detection device that can sense the information being … Read more