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Originally Posted by nobtiba
ADXRS150's resolution is 0.004 degree/s but when I rotate the table by hand slow enough (still can observe by eyes) the gyro seems not to reaction. So how can I do?
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How are you measuring the signal? Are you using and oscilloscope, or are you using the FIRST controller to integrate a heading?
If you are using the FIRST controller, the resolution is less than said. The ADXRS150 measures approximately +/-150 deg/s, which means it measures a total range of 300 deg/s. The FRC has a 10-bit A/D which means you have 1024 A/D counts. Therefore, your resolution is 300/1024 = 0.293 deg/s.