How Hall Effect Current Sensors Work

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If you need to measure magnetic fields for any type of project, one of the most essential tools you’ll need to have on hand is a hall effect current sensor. These sensors use the hall effect to determine the strength and location of magnetic fields, and they are the most popular sensors to measure magnetic fields.

Hall effect current sensors are incorporated into all kinds of electronic devices, including wheel speed sensors and crankshaft position sensors on modern vehicles, MEMS compasses, and proximity sensors. With so many useful applications, many engineers across all kinds of fields are familiar with hall effect current sensors.


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The hall effect, as measured by the sensors, describes a change in the flow of current through an electrified metal plate when it is exposed to a magnetic field. This effect was discovered in 1879 by Edward Hall, and it has been useful ever since.

If you’re interested in learning more about the hall effect and hall effect current sensors, watch the video posted above. It gives a clear explanation of the effect itself and how the sensors can be used in a variety of electronic devices. If your project uses hall effect current sensors, the extra knowledge will help you use them well.
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