radleypr

I used Nordic Development Kit with MPU9250 with connections as SDA,SCL - 26,27 AD0 - GND INT - P0.17 VCC - 3.3V GND - GND and it works fine. I...

Hi Kris, I finally have solved the problem, it is indeed because of the variant files as well as changing the variant library to NRF51 version. I just have one...

Thank you, Kris

Hi Kris, Thank you for your reply. I output the Euler angles and noticed that when I orient the board in this position (micro usb port is the bottom): ...

This is the result from my magnetometer calibration :  Do you think it is correct ? Because it looks like an ellipsoid rather than a sphere.

Should I increase the number of magnetometer calibration ? Is it okay to move the magnetometer randomly in 8 shaped figures during the calibration or it has to be similar...

I see, thanks Kris for the explanation. Is it possible to correct the magnetic declination inside the quaternion ? Because I want to use the quaternion to avoid the gimbal...

I see, thanks Kris for the explanation. Is it possible to correct the magnetic declination inside the quaternion ? Because I want to use the quaternion to avoid the gimbal...