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Aug 31, 2007, 04:04 PM
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Death of a hobby shop


So after 30 years, Wold's closed. Only went there for robot parts back when we did ground based robots. Looks like runaway rent inflation claimed its next victim. Now there don't seem 2 B any hobby shops in the tri valley area. In our runaway real estate market, it's cheaper to trade empty buildings than it is to open stores, so miles of buildings are being left empty and virtually nothing can be bought locally.

In other news, isolated a problem where a nose down pitch is appearing as a right roll on the accelerometers. It's appearing at the analog level. Looks like electrical crosstalk. The 3 accelerometers are fixed in their plastic case.

No, the accelerometers are showing good isolation and there really is a starboard roll, but it's not being subtracted from the world acceleration properly. Maybe it's the gains. No amount of tweeking can get the accelerometer to detect 0 acceleration for all orientations. The accelerometer gain seems 2 B nonlinear.

The Micromag3 continues to fail on startup. It seems to benefit from a lot of rapid power cycles before booting up.
Last edited by Jack Crossfire; Aug 31, 2007 at 07:33 PM.
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