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Thread: laptop to respond to cable unplugged.

  1. #11
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    Why not do it in hardware? It essentially 'hits' the power button to put it in hibernation when car goes off and back on when you turn the key. That way you don't need to stop the media seperately or leave it running while it waits to time out:

    http://www.w3bma5t3r.com/LaptopModule/order.html

  2. #12
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    I like it thx..
    UMPC built in to dash.

    Winamp, game emulators, Touchpad built in to car, DVD player built in to dash, GPS gamrmin moble pc. IR remote for use of a remote control. ps2 supper mini keyboard for when needed.

  3. #13
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    I may be misunderstanding the H/W controller. I was thinking it would handle shutdown if the USB was not plugged in, but I don't think it's designed for that. I have one on order.

    But combined with the shutdown software you should (and I hope to) have fully automated startup/shutdown with the ignition.

  4. #14
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    Actually its an over kill for me. I don't want my system coming on when the accessories ac is on. Only when the engine is turned over. So I'm wiring up a relay to do just that.. Much simpler if you ask me. Just need to find a wire that has +5 , 12 or whatever when the engine is turned over.
    UMPC built in to dash.

    Winamp, game emulators, Touchpad built in to car, DVD player built in to dash, GPS gamrmin moble pc. IR remote for use of a remote control. ps2 supper mini keyboard for when needed.

  5. #15
    Constant Bitrate archaic0's Avatar
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    There are lots of those in the car (wires that are cold until the ignition is on). Shouldn't be too hard to find one.

    I personally have a remote wire terminal block in my trunk that I pull from my head unit's remote out wire. At first I just ran that remote wire back to the trunk and split everything off of it, but as I added a CarPC and a power inverter and a bigger amplifier and so forth, I didn't want to overload that little .5 Amp remote wire so I wired in a relay.

    I have a 12V power wire split off my 4G amp power wire that goes to a 12V relay. That relay is triggered by the head unit remote wire and everything that needs a remote trigger signal gets it from that terminal block.

    This way the remote wire only flips the relay and no amperage actually goes through it.

    On another note...

    As for an earlier comment about 3rd party shutdowns not being 'healthy', I don't want to be insulting, but that's the biggest load of bull I've heard in a while. Let me explain why.

    Most 'shutdown software' uses the actual microsoft shutdown command just like you clicked 'shut down'. They don't initiate their own version of unloading DLLs or closing programs or some crap like that, they just hit your power button like you would and windows does what it does. So while a 3rd party app might be causing the action instead of your finger, the actual process that gets run is their own code. Hell, it's the same thing that happens when you install any new program and it asks "restart now or later". This is standard stuff.

    In fact, you can shutdown or restart your own computer from the command line simply by typing "shutdown -r" (similar to a linux box "shutdown -r now". It's built into the OS and any programmer can simply execute this command. Of course that's for WinXP (and maybe others).

    I'm sorry if I come off harsh here, but I get tired of people who have this stance of "If XYZ company didn't make it then it might work but *I* certainly wouldn't use it" I've got my own brand affinity for certain things like the next guy, but on this point specifically this kind of comment is just fan-boy ignorance.

  6. #16
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    No archaic0, you're right. I figured they were referring to there own routines. I use the shutdown command for my remote. And used to used the -a for preventing the blaster virus from shutting down many times. Damn dcom exploit!! But so far this shutdown controller is working, just has a few bugs i hope to here the status of soon. I tried to find a few wires. The iol presh lead almost worked.. Still looking for a better one.
    UMPC built in to dash.

    Winamp, game emulators, Touchpad built in to car, DVD player built in to dash, GPS gamrmin moble pc. IR remote for use of a remote control. ps2 supper mini keyboard for when needed.

  7. #17
    Constant Bitrate archaic0's Avatar
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    My car doesn't truly have automatic lights, but it sort of does. There is not an automatic setting on my car is what I mean, but if I leave my lights on, then the car shuts them off for me. However this only works if the driver's door is used.

    If I get in my car from the passenger door, then turn my lights on and exit the vehicle, my lights stay on. However if I do the same from the drivers door they go off. It seems that the sole purpose for this is accidental lights left on, but I simply leave my parking lights on all the time and let the car shut them off. Maybe this is abusing a feature, but oh well.

    I tell you that to say that if you have a similar 'feature' then you can use the tail light circuit for your switched power. In my case, the tail lights are always on if I'm in the car day or night. And they always go off when I park.

    Just a side note option.

  8. #18
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    My lights do that, I may track down that switch.. nice point.
    UMPC built in to dash.

    Winamp, game emulators, Touchpad built in to car, DVD player built in to dash, GPS gamrmin moble pc. IR remote for use of a remote control. ps2 supper mini keyboard for when needed.

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