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Anything better than a gyro?
Is there something else we could use to accurately measure the rotation of the robot? The gyro we have slowly drifts off and within 2 minutes of driving around, its a good 30 degrees off. Or if we spin quickly then it gets thrown off by a large amount. We just need to know the direction we are facing relative to the driver. Maybe there is a better gyro or some sort of compass?
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