old question :(

Where can i find datasheet for the optical rotary encoder sensor of a mouse :

mine is npn type with open emitter.... i want to interface this sensor with microcontroller...should i connect emitter out put direct to the microcontroller or how can i interface it ?

there isnt anything written on that sensor...do anybody have datasheet ?

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That's going to vary with the mouse -- there's no set way to do it.

If it's an open-collector output then you need a pullup to whatever your VCC is, then you can run it to the microprocessor.

Tim Wescott
Wescott Design Services
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Tim Wescott

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