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What is this sensor in this smart watch that is supposed to track the rotation of the crown? : r/AskElectronics
![Huawei Watch D 30MM Smart Watch Accelerometer Gyroscope Optical heart rate Ambient light Temperature Differential pressure Hall sensor DISPLAY 1.64 inches, Sensors Accelerometer sensor Gyroscope sensor Optical heart rate sensor Ambient light Huawei Watch D 30MM Smart Watch Accelerometer Gyroscope Optical heart rate Ambient light Temperature Differential pressure Hall sensor DISPLAY 1.64 inches, Sensors Accelerometer sensor Gyroscope sensor Optical heart rate sensor Ambient light](https://welectronics.com/images/stories/virtuemart/product/HuaweiWatchD.jpg)
Huawei Watch D 30MM Smart Watch Accelerometer Gyroscope Optical heart rate Ambient light Temperature Differential pressure Hall sensor DISPLAY 1.64 inches, Sensors Accelerometer sensor Gyroscope sensor Optical heart rate sensor Ambient light
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