analog compass / dinsmore 1525

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lignin

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Hello forum;
I search analog compass sensor 1525 but I cant understand how it is work. How can I interpret its output waves ? How can ı obtain the angle ?
Thanks for your help.
 

okey. this sensor gives 2 output like this .
what is the meaning of this sine and cosine wave?
and (ı dont understand your suggestion.) again how can ı measure the angle by using this waveforms ?
 

It's not actually a waveform rather than a transfer characteristic. Output voltage of X and Y pins versus compass angle.
 

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