Problem driving a laser pointer

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  1. - 2nd June 2008, 02:35 #2
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    Jumper
    Jumper is offline Member
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    Default Pin 6?

    Hi,

    Are you sure the TIL is fully open? 4.7k as the LED resistor seems a bit much.

    Bring out your DMM and measure the voltage on the TIL to see what is happening.
    /me
    Last edited by Jumper; - 2nd June 2008 at 03:02.
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