When gyros are manufactured, they have some zero-offset error, much like magnetometer hard-offset error, that can make measurements difficult. Magnetometers are too slow and are easily messed up by magnets and accelerometers cannot measure spin along the gravitational axis (they can only measure tilt) so give a hand to the gyroscope! The ones in chips don't have metal rings, instead they use very very small springs that help it measure rotation.Ĭompared to accelerometers and even magnetometers, digital gyros are surprisingly complex, but thanks to their existence we can match them up with other sensors to create orientation sensors. ![]() Digital gyroscopes are just like those spinner toys you've seen when you're a kid, where you pull the string and you can balance the whole thing on your fingertip easily.
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