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A team and I are building some wearable tech that needs a magnetometer to know your heading. Unfortunately, we have to mount it "vertically" - imagine that the board is flat against your stomach/waist.

As all magnetometers that I know of require you to be parallel to the ground, I'm wondering if anybody knows of any sensor boards in which the internal circuitry is rotated 90° such that it allows you to be perpendicular to the ground plane or any other methods which we can use that allows us to determine our heading with a board that's vertical/perpendicular to the ground.

Note: the sensor will be interfacing with an Arduino.

Thanks!

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    \$\begingroup\$ There are plenty of 3-D magnetometers; just get one of those and select the two axes that you need. \$\endgroup\$ – Dave Tweed Mar 12 '15 at 11:23
  • \$\begingroup\$ Why would you try to mount an IC vertically on a wearable..? \$\endgroup\$ – Wesley Lee Mar 12 '15 at 13:56

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