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Thread: Use bluetooth/RF dongle on keychain for car access

  1. #11
    My Village Called 0l33l's Avatar
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    Quote Originally Posted by superart
    ACC line? whats that?

    How would I make a shut down controller for the computer?
    ACC line is the accessory line. You know when you turn the car on, the key has many positions?
    Off -> AC -> ACC -> Engine Starter

    So anyways, carputers have this thing called a shutdown controller. You hook this up to the ACC or AC line. When the car is on, the key is in the ACC position, and the SDC has the computer on. If there is no signal on the ACC line then the computer is off. Now I'm saying hook up a relay, and connect the line that was supposed to go to the ACC line to the relay. Then you'll be able to turn it on and off by your presense.

  2. #12
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    Ahh, I see. I'll need to search a bit for the shut down controller, not too farmiliar with that.

    What is the relay for? can't I just hard wire the ACC line to the controller?

  3. #13
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    Quote Originally Posted by superart
    Ahh, I see. I'll need to search a bit for the shut down controller, not too farmiliar with that.

    What is the relay for? can't I just hard wire the ACC line to the controller?
    A search would be good.

    The relay would be coming out of the bluetooth **** thingie. It would be on when you are present and off when you are not. You don't wanna hook up the relay to the ACC line because then it would be like putting your key to the ACC position. Instead bypass the whole ACC and hook the computer up to the relay.
    The ACC is the computer power's trigger. That's the best I can explain it.

  4. #14
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    ahh, I gotit. yea, that is pretty strait forward.

    How could I control the door locks and windows? Lets assume theres power locks/windows on the car.

  5. #15
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    Quote Originally Posted by superart
    ahh, I gotit. yea, that is pretty strait forward.

    How could I control the door locks and windows? Lets assume theres power locks/windows on the car.
    That would all be hooked up to the PIC. If you're in range, then click doors open. If you're out of range, click doors closed.

    Windows... why

  6. #16
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    http://www.blueradios.com/hardware.htm#blue_stamp
    Wow! They even have receivers that have adjustable transmission ranges. So you could adjust it to within a few feet of your car, so someone just doesn't jump in and jack your car when you're 100ft away

    This would be awesome! I have a clifford alarm with the little fob or whatever you call it. I could throw out those internals and replace them with this thing. It would automatically arm my alarm when I'm a few feet away, have trunk pop, etc..

  7. #17
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    Quote Originally Posted by 0l33l
    That would all be hooked up to the PIC. If you're in range, then click doors open. If you're out of range, click doors closed.
    Yea, I figured it would be PIC box connected to the power door/window system. I should have been more specific. What I meant was, How does the system work? Is it controlled by the car's computer somehow, or is the motor just directly hard wired to the power source with a switch and a small cirrcuit to reverse polarity?

    As for the locks, I wouldn't have a button for them. I would just have them open automaticly when I came close to the car, and close automaticly when I left.


    Quote Originally Posted by 0l33l
    Windows... why
    My mom's old jeta had a feature that if the door was locked, you could pull back on the door handle, insert the key into the lock, turn the key, and the window would roll down. This was very handy if you left something in the car, and just wanted to reach in real quik to get it. You could then roll the window back up in a similar fashion. Definitely not necisarey, but a nice feature to have.


    A better reason would be if it is a really hot suny day, and you left your windows rolled down so that the car doesn't get all humid and hot inside, then all the sudden it starts raining (very common in FL), you wont have to walk all the way back to your car to close the windows. Just click the button on the remote.

  8. #18
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    Try this

    http://www.12voltshop.com/proddetail...t=19&path=1,19

    You could then use one of the outputs of the unit to energize a relay. When it is energized, that will connect the wires together as if you have a key in the ignition. Then, install a button for start, and you are all hooked up.

    There is a little more involved, depending on how you want the system to work, but that is the unit I wil be purchasing soon. I want my next car to be like the 430. Which is funny, cause I currently drive a 400.

    You can tell I have given this some thought.

    Michael

  9. #19
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    Thats nice. If only that product had the ability to pop the trunk and roll down windows, it'd be perfect.

  10. #20
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    Quote Originally Posted by superart
    Thats nice. If only that product had the ability to pop the trunk and roll down windows, it'd be perfect.
    Yes, that would be. I just don't think there is curently a product like that out there in the market.

    However, the trunk pop can be done quite easily I think.

    Michael

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