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Thread: Laptop Startup/Shutdown controller

  1. #1
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    Laptop Startup/Shutdown controller

    I searched through this forum but it suprised me that there doesn't seem to be a startup/shutdown controller for a laptop.

    Having it's own battery is the big advantage why I'd opt for a laptop. Is there no clean way to have a laptop startup/shutdown together with the car's ignition?

    BTW: Running a bicycle brake harness through my car to remotely 'push' the laptop's power button seems a bit 'unclean' to me (nice try though).

  2. #2
    MySQL Error Scouse Monkey's Avatar
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    Quote Originally Posted by jonee
    I searched through this forum but it suprised me that there doesn't seem to be a startup/shutdown controller for a laptop.
    yeah there is.... Remote laptop startup look harder - there are nmore ideas!

    Quote Originally Posted by jonee
    BTW: Running a bicycle brake harness through my car to remotely 'push' the laptop's power button seems a bit 'unclean' to me (nice try though).
    I actually thought it looked quite cool the way the guy did it. Personally if i didn't have a port replicator with switch though i would just put a connector on the side of my laptop that i could connect a remote switch to as well as the circuit in the thread above.

  3. #3
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    Well, i did read that post.
    But my electronical skills don't reach that far. So starting from an existing controller and tweaking it a little or a lot is not really possible for me.

    I would be interested to know how you could make a laptop auto-resume when it detects power.

  4. #4
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    Quote Originally Posted by jonee
    I would be interested to know how you could make a laptop auto-resume when it detects power.
    Basically - no! the laptop has a battery so they never have this feature on the bios. You could use a WOL signal though. have a go making the controller circuit - you may as well learn. Simplest way would be to set the laptop to standby when power lost. Then set it to hibernate after so long or at a certain power level as a second step. Then use a simple pulse relay to send a startup pulse to the button when you turn ont he ignition and the power supply but you would have to disable the button from doing ANYTHING when the laptop is turned on or it will go off/standbay everytime you start the car and it is already on. Otherwise just set the power settings as i advised before and use a manual switch.

  5. #5
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    .

    what would be the solution using a dock?

  6. #6
    Variable Bitrate Squid's Avatar
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    My solution to powering up and down my laptop was thru using 555 timer IC's...
    Only problem for you tho is that I opened my laptop up and soldered extra wires to
    the power switch and ran them outside to let it be controlled by the circuitry.
    I removed my screen and this is a permanent install, so I didn't care.. but I've seen
    someone else on the forum do the same mod but put a nice r/c connector on the side
    so he could continue to use the laptop outside the car cleanly and just plug the
    switch in when in car.

    I provide constant power to my circuit and when it see's a high signal (ignition on) it
    waits 6 seconds (car starting & laptop beginning its charging state) then "presses" the
    power button for 1 second. When the signal goes low, ignition off,
    the circuit waits again for 10 seconds in case I want to turn key back on or so... if not
    the button is "pressed" for 1 second to put Win XP in its shutdown mode.

    In the power schemes in XP you can choose to make your power button do whatever..
    hibernate, standby, shutdown... so I can make it work however I want.

    Feel free to goto my site in my signature to see my mess of circuitry..
    (I went thru so many rev's and bandages until I got it right )

    Long post.. hope the info gives you some ideas!
    CarPuter: Dell P3-500 Laptop; D-Link WiFi; Deluo GPS; D-Link Radio; iMac DVD w/ ide2usb
    Audio: Audigy 2 NX; Kicker KX700.5 amp; 20w center amp; Kicker L7 10" Sub
    Display: Lilliput 7" TouchScreen
    CarPuter Install

  7. #7
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    question on the laptop power on/off circuit.

    Can this be made to work with a dock? If so how?

    ALso, when u say u built the circuit, you mean on an actual computer chip?..(pardon my ignorance over the subject.=( )











    Quote Originally Posted by Squid
    My solution to powering up and down my laptop was thru using 555 timer IC's...
    Only problem for you tho is that I opened my laptop up and soldered extra wires to
    the power switch and ran them outside to let it be controlled by the circuitry.
    I removed my screen and this is a permanent install, so I didn't care.. but I've seen
    someone else on the forum do the same mod but put a nice r/c connector on the side
    so he could continue to use the laptop outside the car cleanly and just plug the
    switch in when in car.

    I provide constant power to my circuit and when it see's a high signal (ignition on) it
    waits 6 seconds (car starting & laptop beginning its charging state) then "presses" the
    power button for 1 second. When the signal goes low, ignition off,
    the circuit waits again for 10 seconds in case I want to turn key back on or so... if not
    the button is "pressed" for 1 second to put Win XP in its shutdown mode.

    In the power schemes in XP you can choose to make your power button do whatever..
    hibernate, standby, shutdown... so I can make it work however I want.

    Feel free to goto my site in my signature to see my mess of circuitry..
    (I went thru so many rev's and bandages until I got it right )

    Long post.. hope the info gives you some ideas!

  8. #8
    Variable Bitrate Squid's Avatar
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    Yea I put together the circuits... I mean they are all pre-existing circuits...
    I just combined them in a way that gets what I wanted...

    Went from trying to use all relays and realized that was a mess...
    then half circuits and relays.. got better.. then finally booted it all and redid with all circuits...
    came out ugly tho since so many bandaids and rip aparts over the months..

    So someday if I'm REALLY REALLY bored.. I may redo it all on one board and clean.

    Here is the shutdown timer... works along with the car ignition and the laptop's PS2 port...


    You can see the rest of the messy stuff at my link in my sig...
    CarPuter: Dell P3-500 Laptop; D-Link WiFi; Deluo GPS; D-Link Radio; iMac DVD w/ ide2usb
    Audio: Audigy 2 NX; Kicker KX700.5 amp; 20w center amp; Kicker L7 10" Sub
    Display: Lilliput 7" TouchScreen
    CarPuter Install

  9. #9
    Variable Bitrate Squid's Avatar
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    Oh and to make it work with a dock, you would just hack into the docks power button...

    I assume that would work... I've actually never had a docking station for the 3 laptops I've owned!
    CarPuter: Dell P3-500 Laptop; D-Link WiFi; Deluo GPS; D-Link Radio; iMac DVD w/ ide2usb
    Audio: Audigy 2 NX; Kicker KX700.5 amp; 20w center amp; Kicker L7 10" Sub
    Display: Lilliput 7" TouchScreen
    CarPuter Install

  10. #10
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    .

    squid..

    Hey man, read your work under ur signiture, seems like one hell of a project!
    Hes the thing, I dont exactly know what, within that "big" project box of yours, I will need to asseble to have my lil' project work.

    Is it just the chip you posted in the thread?

    In other words, I take a wire from ignition and run it to that chip in the thread and run that to my laptop/dock power button?

    I dunno, im confused, and a little discouraged
    ...

    and what am i looking at for price?

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