Model Rocket Launcher Help

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  1. - 3rd June 2007, 23:41 #1
    manumenzella's Avatar
    manumenzella
    manumenzella is offline Junior Member
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    Question Model Rocket Launcher Help

    Hi. I am building a model rocket launcher with countdown, safe key, etc.
    The firing fuse that lights up the motor (just a low resistance wire that heats up the engine) is conected to a logic level mosfet, or NPN transistor. My question is: as soon as the PIC powers up, for a very short time, can it put the ports to HIGH and fire the rocket before I want to???
    I need it to be very safe so kids and other people can play with it.
    Thanks a lot, and sorry for my english.
    Manuel
    Last edited by manumenzella; - 3rd June 2007 at 23:45.
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