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Thread: Startup/Shutdown via Security System

  1. #1
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    Startup/Shutdown via Security System

    Recently, someone asked about the possibility of using the radio remote to start their PC (which seems a bit unlikely), but it got me thinking: My security system has some outputs for adding power to additional modules and it would be quite easy to use this as a trigger. Rather than use the ignition, sensing based on the alarm being deactivated would allow you to begin the boot sequence from halfway across the parking lot. It's a safe bet that when you activate the alarm, you probably want the box to shut down and if you stop for gas or make a quick run into a store, you aren't activating the alarm, so you don't have to worry about the system shutting down (even then, an opus would still provide a fixed amount of time).

    Anybody try this?

  2. #2
    Maximum Bitrate Danceheaven's Avatar
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    This has been discussed before , cant remeber where exactly, Most alarm systems do offer various outputs designed exactly for that purpose,
    Some are hefty outputs i.e can drive a few hundered milliamps , whereas some are just for signlling 10-20ma (drive a LED or relay coil) some of theses outputs go high some go low, some stay on for a time output some stay on all the time, some are a quick pulse!!!, what ever your alarm offers make sure you interfcae correctly too it, external circuitry may be needed to handle such outputs
    overall benefit is a system that starts booting when you disarm the system great! prehaps you could set the sysetm to turn off exactly 5 mins after the alarm has been set! that way itll save gas station annoyances!!

    Hope this helps!
    Co Develper of A.I.M.E.E Automotive Intelligent Multimedia Entertainment Engine
    www.aimee.cc

  3. #3
    Constant Bitrate jaeger's Avatar
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    maybe a gadget like this one could be modified by one of the geniuses on this board - a USB Wireless security lock that activates the comp when you come within 2 meters of it

    http://www.thinkgeek.com/gadgets/security/698d/

    this gadget really only deals with secure logging in and out, but it has potential to start and shutdown the comp...

    maybe...
    nine.

  4. #4
    Maximum Bitrate Danceheaven's Avatar
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    Sure it could!, however this gadget uses software to authorise th locking / unlocking and as the pc will be turned off or in hiberantion mode it cant be used for this purpose, easy to mod , but proberly not enuf demand
    Co Develper of A.I.M.E.E Automotive Intelligent Multimedia Entertainment Engine
    www.aimee.cc

  5. #5
    Constant Bitrate jaeger's Avatar
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    i was thinking maybe it could be rigged to activate power somehow [notice i don't know much about this stuff, but it's an idea]...completely forget the software...i think that part is wack anyhow. since it works on radio frequency...[:::trails off:::] i don't know how a usb device can power on a computer...

    so forget it
    nine.

  6. #6
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    I have seen pc remote controls (on/off) before...maybe from tiger direct? I just got rid of like 3 or 4 old cataloges of theirs, but I remember it, cuz I showed it to my girlfriend, and asked her if she thought that it was cool...she didnt stop laughing at me for like 10 minutes...girls just don't understand.

    Anyways, i'll try to find a link.

    -Plinkey

  7. #7
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  8. #8
    Maximum Bitrate Seth's Avatar
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  9. #9
    Raw Wave
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    Before buying make sure you do check the current consumptions of the card, it may give you a surprise.

    Since they are designed for Desktop PC the current drain is probaby not an issue but it can be for carpc.

    The best solution is to use the alarms remote auxiliary output.

  10. #10
    Maximum Bitrate MoFo's Avatar
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    I was thinking about doing this. I have a clifford matrix Rs3 alarm.
    One day i saw that someone used the very same alarm to remotely open his door (he had shaved the door handles and had his doors open by a motor).
    Right now I have a momentary push-button switch on my dash that turns on my laptop by shorting the 2 power leads on the laptops motherboard via 2 extended wires from the trunk (where the laptop is located).

    I was thinking I could use one of the Clifford alarm channels to set off the switch which would turn on the laptop...but the only problem is..I'm thinking that then alarm will send voltage out of the channel. That would in turn fry the motherboard of the laptop because to turn on the laptop, i need only to short the 2 wires on the switch, not run power through them.

    How are you planning to trigger the system startup? by remotely 'hitting the power switch' like i mentioned above?

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