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A comment on Ask HN: What's the coolest tech you got this Christmas?. Parent comment

Re:Ask HN: What's the coolest tech you got this Christmas? by garaetjjte on Saturday December 31, 2016 @04:20AM (#13290294)
>and since the phone is perpendicular to the ground, I'm guessing they don't make heavy use of the compass

Magnetometers are typically 3-axis.

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