EMF Detector for Droid?

Discussion in 'Android App Developers' started by jrpowell01, Jan 3, 2010.

  1. jrpowell01

    jrpowell01 New Member

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    okay, so I don't know if this is possible for Driod, but I know that Iphone and touch have multiple EMF detector apps.

    Of course, everybody by now knows what emf detectors are with like every tv station having some sort of paranormal show, and I would assume that an EMF detector would get very popular considering how other apps like Ghost Radar have become.

    I don't know if an EMF detector would be possible, but hell I would pay $10 for the app myself if it worked. I know the ones on Iphone work with the compass feature or something like that possibly. Is this possible for Droid or anyone workin on it?

    here are a couple that i saw from iPhone:
    iPhone Apps - Ghost Hunter EMF by John Cotant : AppAdvice - AppBase
     
  2. rathat

    rathat New Member

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    The Droid, like the 3GS has a built in compass to go along with the GPS. The compass detects the magnitude and orientation of the earths or whatever is close to its magnetic field. So yeah you could do this.
     
  3. rathat

    rathat New Member

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    And I'm sure, if ghosts were real, they wouldn't have an electromagnetic field.
     
  4. hookbill

    hookbill Premium Member Premium Member

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    Thank you. I had no idea what an EMF dectector was. Without your post I stil wouldn't. Now I can live life in peace.:hail:
     
  5. Martin030908

    Martin030908 DF Super Moderator

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  6. jrpowell01

    jrpowell01 New Member

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    re:

    well thanks but that ghost radar thing isn't exactly what I was looking for. I was hoping to just find an EMF detector. I think it would be a great idea for someone to make an app like that. The Ipod / Iphones have a ton of these apps for sale and are making a killing on their market. I'm sure it would be able to make a ton of money here on the Android market. :motdroidhoriz:
     
    Last edited: Jan 20, 2010
  7. jrpowell01

    jrpowell01 New Member

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    Last edited: Jan 20, 2010
  8. SGTiger

    SGTiger Member

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  9. jrpowell01

    jrpowell01 New Member

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    Thank you! That app works well but the magnetic field detector is somewhat weak. Still would to see one come out like the iphone ones
     
  10. SGTiger

    SGTiger Member

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    Just an FYI, tap the Vector section and it will go into Relative mode which will make the readings appear much more sensitive to minor changes in the field strength.
     
  11. jrpowell01

    jrpowell01 New Member

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    Why does the field strength change so dramatically when I rotate the phone in relative mode?
     
  12. R1Lover

    R1Lover Senior Member

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    Why would anyone want this? No really!
     
  13. SGTiger

    SGTiger Member

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    Kirk and Spock would not be amused by this question.
     
  14. SGTiger

    SGTiger Member

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    I don't know much about this app, but a little experimentation with a magnet tells me the sensor knows in what the direction the magnet field is. For example holding a magnet in different areas show that the vector section at the top changes to a different corner when you move the magnet to a different corner.

    So when you tilt the Droid is it measuring the magnet field more from the direction that you are pointing it at? This would explain why the magnitude changes depending upon the direction you point it at. I don't know, just guessing. Play with a magnet a little bit, and you'll see what I mean. However as you probably know, don't get the magnet too close or it will send the Droid into dock mode.
     
  15. rathat

    rathat New Member

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    Put it up to an AC adapter and watch the alternating current.
     
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