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need circuit to generate pulse.

Discussion in 'General Electronics Discussion' started by komal, Mar 9, 2011.

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  1. komal


    Mar 9, 2011
    I am doing a project n I need a circuit for d following..
    M using IR LEDs and photo detector..
    i want them to remain ON only for few secs..
    say 10s..
    which circuit will be the simplest and the best?
  2. rob_croxford


    Aug 3, 2010
    there is a thread somewhere on 555 timers and their applications search for that
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