a wide range of
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1, the chip giant, Anwargo (formerly called Agilent) is the originator of the photoelectric mouse, do more cattle.
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2, domestic ordinary mouse, the original phase chip.
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3, there are a lot of Lingyang and so on.
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The above are some optical chips, another part of the optical chip needs to be equipped with a control chip, there are many kinds of, this is the professional knowledge of the mouse, you can go to professionals to understand! ~