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FXOS8700CQ different readings, same board

Question asked by jorge.ar on May 16, 2018
Latest reply on May 22, 2018 by Tomas Vaverka

Hello! 

 

I've designed a board using a FXOS8700CQ. I have 10 boards working. When I read the x,y,z uT values, they differ from each other a lot. The conditions are the same for all boards (tested one by one in the same spot with same orientation. 

 

If I write the offset registers (MOFF_X_LSB_REG, MOFF_X_MSB_REG, etc etc) the readings of all boards are near zero.

 

What is the source of this drifts between boards? Is there anything more to calibrate?

 

thanks!!

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