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Discussion in 'General Electronics Discussion' started by conntaxman, Apr 14, 2013.

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  1. conntaxman


    Jun 17, 2011
  2. duke37


    Jan 9, 2011
    The link indicates that there is some problem with suficient output from the PIR.

    I have not looked up the details of the IRF510 but I think it is a standard power fet. These need about 10V to turn them on fully. You will need a fet with a low threshold voltage (logic level) but these may not have the current and voltage capability that you require.
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