Zero calibration

[trullock]

I cant get any of the sensors to reports any calibration status other than 0.

Using this code on a brand new Uno rev3 + 9 axes motion shield.

Am I missing something?

[aahr]

Same issue for me. Also all sensors report back only 0 when using the Euler example.

[trullock]

@aahr Solved my woes, see PR: #6