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to sense eye is open or closed

Discussion in 'General Electronics' started by raghu, Dec 6, 2003.

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  1. raghu

    raghu Guest

    hello sir,
    i am working on a project in which i have to sense eye is open or
    closed this i want to do bye incidenting ir rays on the eye lid when
    eye is open no reflection will take place when closed or will be
    reflected by eye lid .so anyone can help me in deciding the ir wave
    length which can do this or the corresponding component.i will be very
  2. N. Thornton

    N. Thornton Guest

    I doubt it raghu, but you never know. I'd consider measuring the
    colour, using a detector only. White brown and black skin are all
    significantly diferent to white eyes.

    Regards, NT
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