So I have two identical a PMs on identical quads one has 2.9 and the other has 2.9.1 The one that has to .9 .1 seems to jump all over the place in altitude hold in viewing the logs Noticed the accelerometer Raw data was swinging almost 400 versus 10 on the other quad with 2.9 I swapped boards between the quads to no change so it seems it's on the board both copters are Glass smooth With no vibration.. I believe the aptitude hold problem is due to the noisy z accelerometer I did a test where I didn't even turn the motors on and simply picked up the quad and was holding in my hand and saw the exact same 400 point swing. So here's my question does 2.9.1 somehow up again on Excel lawmakers or is there a way to turn down the gain on the Excel rumors or doesn't sound like there's a problem with my brand-new board?
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Is your INS_MPU6K_FILTER setting the same (hopefully 20) on both boards?
There's certainly no reason for 2.9 vs 2.9.1 to behave differently. The firmware is nearly identical with just a few bug fixes added to 2.9.1.
You might want to export the parameters using the Adv Params List screen in the mission planner and see if there are any significant differences. Feel free to post the two .param files here and I'll have a look.
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Is your INS_MPU6K_FILTER setting the same (hopefully 20) on both boards?
There's certainly no reason for 2.9 vs 2.9.1 to behave differently. The firmware is nearly identical with just a few bug fixes added to 2.9.1.
You might want to export the parameters using the Adv Params List screen in the mission planner and see if there are any significant differences. Feel free to post the two .param files here and I'll have a look.