1 Sec buzzer pulse

Discussion in 'General Electronics Chat' started by Hrenowsky, Jan 20, 2016.

  1. Hrenowsky

    Thread Starter New Member

    Aug 14, 2011
    2
    0
    Hi!

    I've got a problem, that i really would need some help.

    I have a freescale programmer, which i am using at work.

    As the programmer is almost entirely automated, i would like to add a sound indication when a pcb has been programmed ( so that other people using it, will know when they can replace the pcb and insert a new one).

    The only problem is, that the programmer, when it's done with the programming cycle, turns on a led (success) and keeps it lit until the Start button is pushed and programming starts again.

    I would like to add a circuit to it, that when the led is lit, would trigger a piezo buzzer for about half a second ( like a pc start beep) then turn off.
    The circuit would have to reset itself when the led of the programmer turns off.

    If it's any help, the programmer in question is a PE Micro Cyclone Pro.
     
  2. BReeves

    Member

    Nov 24, 2012
    412
    64
    Last edited: Jan 20, 2016
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