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    Computer mouse sensor problem

    Computer mouse sensor Has anyone used the sensors from those common mechanical computer mouse.What kind of sensor is it? Is it a plain phototransistor or some chip. It has three pins.In the mouse board centre pin is connected to positive supply and the other two pins are connected directly to...
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    Wanted pulse oximeter plans

    Hi, I am new to this group.I require plans for designing a pulse oximeter,preferably pic based.Does anyone have ready plans or know of any links to such plans. Thanks a lot

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