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Thread: Lilliput buttons light up with car lights on?

  1. #11
    Variable Bitrate Squid's Avatar
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    Oh.. and for the lilliput, you just need a small light duty 12 volt relay...

    Radio shack has a Mini Relay HERE that would work nice...
    A standard Automotive Type relay HERE that is used throughout your
    vehicle and can withstand a heavy amp load is sorta overkill.

    Radio shack is so overpriced on these items tho... I get all my tinker toys
    from Jameco such as THESE which work great and are only $1.09.
    You spend 10 mins on that site.. keep adding to your cart and it's only like $20 and
    you get all kinda new electrical goodies (that's what always happens to me!)

    -Squid
    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

  2. #12
    My man uses Levitra. Peoples's Avatar
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    so since pin 12 is just ground...you could just tap into the wire without cutting them, in doing so the lights will still come on when you press buttons....when your headlights arent on....this way you could bring it in the house and work on it...and still have buttons that lightup.
    PC Components:
    Lilliput; XPC/FLEX mobo; 1.7 ghz P4 Mobile;512 DDR; 160 gb HDD; opus 150; slot usb dvd-rw
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  3. #13
    Jesus Freak antimatter's Avatar
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    Quote Originally Posted by Squid
    Relays are a very powerful tool... (lol.. that statement kills me)

    But really are useful...

    You can learn the fundamentals at the12volt which will get you started...

    My own words...
    Relays are just "switches" that you throw with another "hot" line.
    You spec a relay for whatever voltage you need to trip it, and that the current
    you will be flowing thru it will not destroy it. (basically)
    It keeps different circuits separate. i.e. I use a 5 volt relay hooked to the ps2
    port on my laptop to trip a 12volt circuit from letting the laptop shut off...
    And most relays (not all) have NO or NC (normally open or normally closed)
    which allows your result to either disconnect the line or connect the line however
    it's wired...

    Now after my ramblings... u should be confused.. just goto the the12volt page
    and the pictures will show u right

    I'm sure others will join in with their explanations...
    Thanks for the links and the info. I have been in the12volt before but never really looked into the relays. I will do some reading...but if someone wants to draw me a diagram and save me some time i wont stop them
    -Jesus- King of Kings Lord of Lords

  4. #14
    Variable Bitrate Squid's Avatar
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    Here is a quick sketch

    standard relay setup.. normally open/normally closed...

    (middle of watching movie... just wanted to help quickly )
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    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

  5. #15
    Jesus Freak antimatter's Avatar
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    Thanks man... You rock!!!
    -Jesus- King of Kings Lord of Lords

  6. #16
    Jesus Freak antimatter's Avatar
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    So I updated a picture to reference the items we are talking about from a picture from the12volt.com

    Does this look right?

    One question... Is the coil polorized... if so do i have the polarities correct?
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    -Jesus- King of Kings Lord of Lords

  7. #17
    Variable Bitrate Squid's Avatar
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    That diagram is perfect... what I woulda did if I wasn't in the middle of watching Collateral

    And no, the coils are not polarized.. hook 'em up however

    The only thing is I believe you have the "throw" backwards for what you want...
    Right now, pins 12 & 8 are closed all the time making the LED's light...
    When you turn on your lights and energize the relay, it will flop over to
    87 and disconnect 87a... thus breaking the 12 & 8 connection turning off the LED's.

    Other than that.. your rockin' now!

    -Squid
    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

  8. #18
    Low Bitrate
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    squid you !!

    So if i understand this right, i'll get that mini relay and then hook it up exactly as in antimatter's diagram, except i should switch the 87 and 87a wires. (?!)



  9. #19
    Variable Bitrate Squid's Avatar
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    Yuup!!

    (disclaimer: I have not done this mod.. it should work... the relay part will)
    .: phew:. I feel safer now ..heh...
    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. #20
    Newbie
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    i get shivers everytime I hear about taking the screen apart because of the malfunctions that follow. I'm confident in my soldering work and I really do want to do this mod but I dont want any white screens of death or anything. My scren has been in the car for month something and its functioning perfectly (maybe because I didn't hack it up) and I dont want anything to change, good luck guys!

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