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  1. #1
    Senior Member
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    May 2006
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    Cool iPhone app Heart Rate

    Check out "Heart Rate". You cover the rear camera lens with your finger and then it measures your pulse by turning on the flash LED and monitoring the light that gets in through your finger. As the blood pulses in your finger, the light transmission goes up and down. The program graphs that and tells you your HR. I use it to measure resting HR in the morning. Works well, and it's free!

    This is the principle of a "pulse hypoximeter" and now you can have one for free on the iPhone. Only works on iPhone 4 I think.

  2. #2
    Senior Member love2pedal.com's Avatar
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    Jan 2009
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    Kansas City, MO
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    Look 586, Condor Baracchi, Litespeed
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    I have the version for Droid and it works well and is fun to use

    http://www.appbrain.com/app/si.modul...stantheartrate

  3. #3
    Bike ≠ Car ≠ Ped. BarracksSi's Avatar
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    Jul 2007
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    Washington, DC
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    Some bikes. Hell, they're all the same, ain't they?
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    OP, which one? There are a bunch listed at the app store.

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