ACC z axis is at 255 when still

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tep916
Posts: 2
Joined: Sun Feb 23, 2014 7:09 pm

ACC z axis is at 255 when still

Post by tep916 »

Multiwii pro board v2 RED from HK

My ACC z axis is constant 255 value when still. Is this normal or is my ACC defective? (Yes i calibrate) Thanks!

waltr
Posts: 733
Joined: Wed Jan 22, 2014 3:21 pm
Location: Near Philadelphia, Pennsyvania, USA

Re: ACC z axis is at 255 when still

Post by waltr »

Yes, that is normal when cal'ed.
The Z axis is measuring the Earth's gravity and should be at max when cal'ed.
X & Y should be zero. If you tilt the FC board 90° then Z will be zero and either X or Y will go to 255 depending on which is aligned up/down.
If the turn the FC over then Z will go to -255.

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