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Thread: Compass

  1. #1
    QCar Creator Jirka Jirout's Avatar
    Join Date
    Jul 2005


    Has anyone any experience with a reasonably priced digital compass that could be interfaced over USB or provide a voltage output for an ADC? I would like to have a compass as an addition to my GPS receiver.

    I need one axis device that can be easily calibrated for the surrounding magnetic fields in the car. Precision of 5 would be sufficient I think. Price max USD 100.

  2. #2
    Low Bitrate ajscomp372's Avatar
    Join Date
    Mar 2006
    Buffalo, NY
    I couldn't think of any digital compasses off hand that have an analog interface, but you an check these ones with a digital interface here. There is probably a way you can connect one of these to a computer. The resolution looks to be enough for your needs as well.

  3. #3
    Sheepdog rdholtz's Avatar
    Join Date
    Apr 2007
    Atlanta, GA, USA
    That link has a typo -- it should be It's a good link to have. Thanks.
    If just enough is really good, then too much ought to be perfect.

    2006 Scion xB with in-dash Atom & Lilliput 889GL -- Worklog at

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