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Triple-axis gyro for quads?

Posted by Overwatch on May 7, 2010 at 1:09pm

Sparkfun has recently added a triple-axis gyro that has over 30 kHz resonant frequency of all three of its mechanical elements - the ITG-3200 ($49.95). Does this mean it'll hold in a vibration-rich environment like an IMU on a small plane or multicopter?

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Replies

Jonathan Brandmeyer May 7, 2010 at 1:53pm

It has relatively poor initial bias stability. The turn-on bias is +/- 20 deg/s, with an additional 20 deg/s swing over the temperature range, according to the datasheet. It's possible that they got those terms mixed up, and all of the initial bias uncertainty is due to temperature, but I'm still leery of it. Wait until the successor product comes out that has a selectable range.

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