Intelligent Key Wallet Option?
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Thread: Intelligent Key Wallet Option?

  1. #1
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    Intelligent Key Wallet Option?

    Hi,

    Bought a 2012 Juke SV (CVT) about a month ago and have since been coming to this forum as a guest as I learn from all your great posts. However, one thing continues to bother me and I figured I'd make a post to see if anyone had any ideas.

    Before I bought this car, I had effectively reduced my daily keychain down to just my car. Now that I have this intelligent key, I don't really even need a keychain -- but it appears I have no choice?

    Has anyone ever seen or heard of something smaller or flatter that might replace the intelligent key? Ideally a wallet card?

    I never use the buttons on the fob and prefer the door buttons. I've resorted to carrying my intelligent key on a lanyard around my neck. But i'd sure love to have a way to keep it in my wallet or something less obtrusive.

    I rambled on my first post here....I'll see if I can keep it up in the future :-)

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  3. #2
    Moderator squirtbrnr's Avatar
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    Welcome to the forums and congrats on getting your Juke. There might be aftermarket key alternatives, but getting them to work with Nissan's intelligent key system would be the question. As far as I know, there are no factory or possibly even aftermarket "wallet card" keys like a Tesla has.
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  4. #3
    Senior Member JuklearWinter's Avatar
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    I have like 5 hours to kill before my flight so I've been looking around for Nissan I-Key substitutions, and I can't find anything promising. Wonder if you could butcher the guts to one and make a wallet out of it. Would be an expensive experiment.
    2015 Juke SL FWD CVT: ​Orange Splish Splash Edition

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  6. #4
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    Quote Originally Posted by JuklearWinter View Post
    I have like 5 hours to kill before my flight so I've been looking around for Nissan I-Key substitutions, and I can't find anything promising. Wonder if you could butcher the guts to one and make a wallet out of it. Would be an expensive experiment.
    Yeah, I did my fair share of searching over the last few weeks to no avail and came to effectively the same conclusion as you. I'm no electronics wiz, but I do have a friend... I may have to purchase an aftermarket one, get it programmed with my existing fob and have my buddy see what he can come up with.

    I've actually considered modifying most of my clothing to have an intelligent key pocket. What I lack in electronics expertise, I can mostly make up for from behind a sewing machine.

  7. #5
    Senior Member JuklearWinter's Avatar
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    Let us know what you come up with! It's a unique idea. Damnit now I want an i-key wallet.
    2015 Juke SL FWD CVT: ​Orange Splish Splash Edition

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  8. #6
    Senior Member slumberbunny's Avatar
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    Quote Originally Posted by JuklearWinter View Post
    Let us know what you come up with! It's a unique idea. Damnit now I want an i-key wallet.
    Ya know? I want one too but mind you, I always have house&work/van keys in my pocket anyways... Maybe I'll tinker
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  9. #7
    Member Jaxxa's Avatar
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    I've opened up my key several times to replace the battery. There's the main circuit board, a coil of copper wire which is the antenna (and also an induction charger that charges the key when it is dead and allows the vehicle to start when the fob is put up to the start button. PRO TIP), and then of course is the 3V button cell battery. Presumably, all of these things can be moved around and spread out to fit a more flat design, especially if you remove the momentary switches for the unlock buttons. I can definitely see it being possible.

    I too have reduced the things I carry and built myself a custom wallet that integrates my apartment key into it. I usually just carry my Juke key on a carabiner and clip it to my pants pocket or belt loop, but this actually sounds like a very interesting idea.

  10. #8
    Senior Member dude59's Avatar
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    Greetings Beaver and welcome to the happiest Juke place on the net.

    Being an engineering tech in the defense industry for 29 years I can tell you, sure it's possible to make a wallet card for the Juke. The bad news is that it's like racing, it's not so much how fast do you want to go but how much money are you willing to spend to go fast.

    An actual slim smart card (AKA wallet card), like those contactless ID cards used to enter buildings and hotel rooms or debit/credit cards that work by just placing the card near the reader, rely on Radio Frequency Identification (RFID) or Near-field communication (NFC) technology.

    It will take a fair amount of reverse engineering to determine the Nissan's intelligent key system communication protocols "how it talks and what it says" on the Jukes CAN bus to the Body Control Module (BCM) and Engine Control Module (ECM) to unlock, lock and allow the car to start. Then you'll have to obtain an appropriate smart card RFID or NFC card system for use in a auto environment and integrate it into the Juke in place of the Intelligent Key fob hardware and program it to emulate what the Nissan intelligent key fob system does on the CAN bus. And remember a wallet card doesn't have buttons so you'll have to figure out how to execute a lock and unlock sequence with out them.

    Sure it's possible with the correct hardware, software and knowledge but is it worth the effort and expense...?

    Being a bit of a slacker I simply use a Nite Ize S-Biner size 2 to clip the key fob to a belt loop on my pants...
    https://www.niteize.com/collection/s-biner.asp
    Last edited by dude59; 03-21-2019 at 10:38 PM. Reason: syntax
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  11. #9
    cde
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    Remove guts, stick in new case. Some 3d printer examples.

    https://www.reddit.com/r/Volkswagen/...allet_keyless/

    https://mx5things.com/2017/10/28/car...a-credit-card/

    https://forum.miata.net/vb/showthread.php?t=654996

    And super ghetto tape method https://youtu.be/rbmfi2gaDbU

    I suggest getting a cloned fob and using that instead of messing with the original.

    If you dont use the buttons then you can desolder those. You could use a thinner battery too.

  12. #10
    Senior Member dude59's Avatar
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    Quote Originally Posted by cde View Post

    And super ghetto tape method https://youtu.be/rbmfi2gaDbU

    I'm kinda diggin' the look of the ghetto credit/gift card & clear tape key fob redo...

    maybe take it up a notch with some Flex Seal clear in place of clear tape (think poly fill of rubber bushing), mod a batt holder a bit to set in the flex goop, hose down a dead batt with a few coats of dry lube (PTFE) spray as a mold release and it should be able to be popped out after goop cures to facilitate batt replacement.

    hmmm... never considered a key fob mod before...
    Last edited by dude59; 03-21-2019 at 11:13 PM.
    Jukes '14 SL AWD Graphite Blue & '12 SL AWD Chrome Silver (his & hers) also '91 BMW 318is.

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