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Compass Circles

Published by coflynn on Sun 02 of Oct., 2011
In my effort to build the calibration software for my simple Digital Compass, I've been working on doing tests with it.

Here is a screen-shot of the output (using MATLAB to interface to the serial port), it shows a plot of X & Y magnetic field readings plotted on X/Y axis. You can see it's a (fairly) nice circle. The object will be mapping a distorted circle due to iron in the area onto something like that...

Image

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