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Smontaggio Samsung Galaxy Watch

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  • To read the turning of the bezel, the Galaxy Watch uses a different approach than the optical encoder of the Apple Watch.

  • There are three hall sensors (Seiko Instruments) on the small PCB, at the same distance from each other as the grooves on the bezel.

  • And every third groove has a small magnet inside.

  • When the bezel is turned, two of the three sensors read a change in their magnetic field (either on/off or off/on). The third sensor does not read a change. With this method, it can be clearly determined in which direction the bezel is rotated.

Per leggere la rotazione della ghiera, il Galaxy Watch utilizza un approccio diverso rispetto all'encoder ottico dell'Apple Watch.

Ci sono tre sensori di hall sul piccolo PCB, alla stessa distanza l'uno dall'altro come le scanalature sulla cornice.

E ogni tre cave c'è un piccolo magnete all'interno.

Quando la ghiera viene ruotata, due dei tre sensori leggono un cambiamento nel loro campo magnetico (on/off o off/on). Il terzo sensore non legge un cambiamento. Con questo metodo, può essere chiaramente determinato in quale direzione viene ruotata la cornice.

[* black] To read the turning of the bezel, the Galaxy Watch uses a different approach than the [guide|113044|optical encoder of the Apple Watch|stepid=216189|new_window=true].
- [* black] There are three [https://en.wikipedia.org/wiki/Hall_effect_sensor|hall sensors|new_window=true] on the small PCB, at the same distance from each other as the grooves on the bezel.
+ [* black] There are three [https://en.wikipedia.org/wiki/Hall_effect_sensor|hall sensors|new_window=true] (Seiko Instruments) on the small PCB, at the same distance from each other as the grooves on the bezel.
[* black] And every third groove has a small magnet inside.
[* black] When the bezel is turned, two of the three sensors read a change in their magnetic field (either on/off or off/on). The third sensor does not read a change. With this method, it can be clearly determined in which direction the bezel is rotated.

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