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Streamlining a very basic device for battery conservation

Discussion in 'Power Electronics' started by Damname101, Nov 26, 2011.

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  1. Damname101


    Nov 26, 2011

    I am playing with a device i made out of old junk. It is basically
    parts from an old dvd drive and a switch and led. This is what i have
    so far.

    I have a basic on and off switch that came with a set of fog lights for a car,
    a 3v dc motor out of a dvd drive, a green led out of a power supply for an
    lcd computer monitor. I have it all wired together to a 9v battery.

    When i turn it on, the motor starts to spin and quickly reached top speed,
    the led takes a while to come on to full brightness though.

    How can i streamline this most basic project for max battery life?

    thanks in advance.
  2. davenn

    davenn Moderator

    Sep 5, 2009
    hi there
    welcome to the forums :)

    how about drawing a circuit to show exactly how you have it hooked up
    there it will be much easier to offer some suggestions

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