RFID based spatial address book


The march of reader hacks continues and I couldn’t be happier. [Timo] has been experimenting with a prototype Nokia 3220 Near Field Communication phone. The phone features an RFID reader/writer (and an odd logo that seems to combine a Dreamcast with RSS). The phone’s Service Discovery application reads RFID tags that it encounters. The read data can trigger a variety of actions: dial a number, send a pre-defined SMS, or load a URL. Timo placed an array of RFID tags under the surface of his desk. He then recorded different actions to each tag and placed a corresponding Post-It note liable on the desk surface above each tag. So, by resting the phone on “call Jack” the phone would load the number. When he walks into the office he can set the phone down on “I’m in the office” and a text message will be sent. He’s got some interesting thoughts on this system. It made him very aware of where he had to set the phone when he didn’t want it to do anything. Timo also wonders how your acquaintances would feel if they found themselves ranked across your desktop.


  1. steel maverick says:

    w00t!!! f1rs7 p0s7!!!

    Nice. Might try this hack,

  2. mr dan says:

    This is a really interesting project, one which can be expanded in many ways. A couple of things to note however are:
    1) What if you accidently placed the phone over a tag? (eg, you dropped the phone)
    2) What if somebody sneakily re-arranged the post-it notes, you could instruct the phone to perform one action ‘SMS to Wife’, and it would perform another ‘SMS to Secretary’, could be dangerous!

  3. cantsleepcatswilleatme says:

    Once at band camp….I installed linux on an RFID chip.

  4. tiuk says:

    #3, “I installed linux on [x]” stopped being funny a very long time ago.

  5. Scubasteve says:

    #2 or worse….perform one action ie “sms to secretary” and it would perform another “sms to wife”…..THAT’s what could be dangerous!!!!

  6. steven barnes says:

    Where can you buy one of those Nokia NFC Shells?

  7. monster says:

    fark.com has a program set up where first post is deleted or something. we should do that.

    maybe “first post” could be changed to say “i got a small penis!!!”

  8. kin cheng says:

    rfid tags are the ones that wal-mart uses right. would this cellphone be albe to reprogram those tags

  9. Doctor says:

    When you leave a first post comment on fark it changes the timestamp to 12 hours in the future and “First Post” to something else.

  10. exparrot says:

    this is my boobies on hackaday!

  11. AoR says:

    @ kin cheng:

    Yes, retailers like wal-mart, shippers like FedEx, public transportation like MARTA (In Atlanta) use rfid, but this phone can only read them. Editing an rfid tag is a considerably more complex task.

  12. adding to twitter this is great info.

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