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help plz

Discussion in 'General Electronics Discussion' started by farhan990, Mar 4, 2011.

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  1. farhan990


    Mar 4, 2011
    hi guys i want make automatically shut off fan after 10 sec using 555 timer , can any one post schematic for thiz circuit?
  2. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    Jan 21, 2010
    Have a look at circuits for monostables built using a 555.

    10 seconds is well within the time that leakage currents become significant, but as long as you're not too worried about the delay varying more than usual with temperature and supply voltage, you should be fine.
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