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Aug 19, 2007, 02:03 PM
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Gumstix price cut

The 600Mhz Gumstix seems 2 have a significant price cut from where it started several months ago. Previously in the $300 range, now at $170, it's a likely replacement for Vicacopter's 200Mhz. The 200Mhz board is unchanged and even has a smaller flash than it did last year.

Any use of the Kalman probably requires a faster CPU. Reducing the time steps in the Kalman updates is the only definitive way to smooth out the GPS and compass updates.

Another strategy is to manually feed acceleration results from GPS back into the acceration calculation that is used for attitude, to cancel out translation acceleration. We already cancel out gravity based on attitude when calculating the translation acceleration.

Now some views from Mission Peak. It's not a very exciting location because the only view is Silicon Valley.
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