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Thread: controlling A/ C from carputer?

  1. #1
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    controlling A/ C from carputer?

    so i foudn that lpt adaptor toturn on/off 8 devices fromt he touch screen. such as lights or udnerglow etc.

    but i own a 2004 civic. and my A/C, rear defrost, and internal cycle are all push on push off buttons

    im trying to find something i can use to wire these three buttons to. so i can use the touch screen to enable/disable the cotnrols

    so now im assuming it may be within the control button. when when i push it the button turns on.t he light in it comes on and it stays on. keeping the singnal from the button goign to the controls to keep the a/c etc on


    does anyone know where im going?
    so im wondering if that control i found will do this? i mean if i find which wire it gives the cotnast 12vdc to when i press the button on. if i wire this to the lpt relay will it work formt he touch screen?

    sigh. i think im confusing myself.

    oh and controlling the 3 spiny knob things is probably beyond my comprehension right?

    i think the three buttons im thinking of ar elike switches. push on then you push off?

    am i right?

    please help!!

  2. #2
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    this is the dealy im speaking of

    http://www.mpja.com/productview.asp?product=6074+KT

    trying to figur eout if ic an make 3 of them control my a/c, defrost and internal cycle buttons

    jsut trying to figur eout if these buttons are a Switch on/off device or if they send a signal somewhere for a second when i push the button to turn it on and then a signal when i push again to turn off :S

  3. #3
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    Wiredwrx's Avatar
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    Quote Originally Posted by paradoxblue
    this is the dealy im speaking of

    http://www.mpja.com/productview.asp?product=6074+KT

    trying to figur eout if ic an make 3 of them control my a/c, defrost and internal cycle buttons

    jsut trying to figur eout if these buttons are a Switch on/off device or if they send a signal somewhere for a second when i push the button to turn it on and then a signal when i push again to turn off :S
    Hate to do this, but

    I did, and to start you off, here is a thread.

    HVAC Control on Car PC through Serial Port.

    Michael

  4. #4
    FLAC Mastero's Avatar
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    Hi i am already working on a A/c control ...

    Let me get this clear .. you want to turn on and turn of the custom buttons. right

    So you have a push button when you press once the ac fan starts, then when you press twice the fan speed changes .. ?? right

    Then this is easy .. let me know shall give you more details

    A picture of your AC controls shall be helpfull.

    Mastero

  5. #5
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    yeah ill pop up a picture a bit later

    and well i wanna do the fan speed thing some day also
    but right now im just trying to do the a/c 0n/0ff, defrost on/off and internal fan on/off

    hmm ok well ill get a pic up. im trying to figure out what kind of buttons tehy are. if there momentary or constants

  6. #6
    Raw Wave wizardPC's Avatar
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    Ya know, I wrote some software for that relay board......
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  7. #7
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    wizard i saw that to.t hanks

    looks good. wish i knew enoguht o make asking for it haha. but your program is awesome

  8. #8
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    I have a 2003 Honda Civic and have the same setup for the buttons. I haven't pulled my dash apart (yet) so I am not sure but I would guess they are so sort of constant push button switch. I am also interested in controlling this functions via software cause I want to use that space to put up front card readers, usb ports, and a slot load drive in that area.
    Just because I haven't posted alot doesn't mean I haven't searched and know what I am talking about!

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  9. #9
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    noldona.. good to hear. yeah if tehre cosntant we can use that thing i posted above..

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