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duststorm This module uses a HMC5983 chip as its electronic compass. If you look up the datasheet of that chip (http://www.farnell.com/datasheets/1802211.pdf) it tells you the how the axes are oriented.Your FC generally expects X to point left, and -y forward. Knowing that, look at page 4 of the datasheet and you will see that the SCL and VDD pins of this chip should point forward, and I2C/SPI pin to the left.The mark indicates pin 1.Find the compass chip on the board, the small perfectly square chip.

Locke 17/07/2015
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