What does the magneto sensors do?

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Title: NooBot
Joined: 05/11/2018
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Hello all,
I am trying to make my robot accurately turn 90 degrees. Are the built-in magneto-x-y-z sensors equivalent to digital compasses? If so how do I use them? The magneto-Z sensor does not seem to change when I rotate the wallaby controller left and right. I'm planning on to use the compass to calculate when to stop turning. Is this a good way to control the robot?

Thanks a lot for helping!

Title: NooBot
Joined: 07/09/2018
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You are very good, I am very weak in this field

Play geometry dash, Download happy wheels 2.0

Title: NooBot
Joined: 06/15/2022
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Title: NooBot
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The magneto sensors will detect changes or disturbances in magnetic fields that have Peter Veres been created or modified by objects or events. Through this thread provided here, you will get more information regarding that. Hope that the link will provide more details about it.