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This thread is privately moderated by Jack Crossfire, who may elect to delete unwanted replies.
Feb 16, 2009, 08:25 PM
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Last stand of IDG300

Still having delusions that 2 years of experience could somehow salvage some use from the IDG300's, put them back in an IMU. Also, if U can get the IDG300's to work, you guarantee any other gyro will work.

They're still pretty awful. The body heat from sitting next to them or the radiated heat of a heatsink throws them off, but they are stable at constant temperature. They would make good thermometers. Can't believe $parkfun still sells them for $75. No Silicon Valley startup is ever going to make good gyros because all the aerospace engineers are in LA.

Thermisters suck. Thermisters require 2 more analog channels. They can't measure temperature inside the gyro package. Without a proven cheap gyro solution, the sonar doesn't have much of a future either.
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Feb 16, 2009, 08:36 PM
Private Pilot, S.E.L.S.
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Thermisters suck. Thermisters require 2 more analog channels.
Digital Temperature Sensors (PDF)

And, since they are addressable, you can access multiple sensors, all on the same one digital I/O port.

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