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alway the same value as Z value on HMC5843

Posted by Patrice Mainville on January 30, 2011 at 7:19pm

Got my HMC5843

 

I soldered it on my Oilpan as instructed, now I run the test from APM libraries and it work so far, but, can't get a Z reading, it's always the same value!

 

So, Do I have broke it when I separate the little useless part with my plier ?

 

Compass library test (HMC5843)

Heading:12.10  (583,-125,4096) offsets(-291.50,62.50,-2048.00)

Heading:12.56  (588,-131,4096) offsets(-294.00,65.50,-2048.00)

Heading:12.47  (588,-130,4096) offsets(-294.00,65.50,-2048.00)

Heading:11.93  (587,-124,4096) offsets(-294.00,65.50,-2048.00)

Heading:12.33  (581,-127,4096) offsets(-294.00,65.50,-2048.00)

Heading:12.09  (588,-126,4096) offsets(-294.00,65.50,-2048.00)

Heading:12.10  (583,-125,4096) offsets(-294.00,65.50,-2048.00)

Heading:12.36  (584,-128,4096) offsets(-294.00,65.50,-2048.00)

Heading:12.54  (589,-131,4096) offsets(-294.50,65.50,-2048.00)

Heading:12.79  (586,-133,4096) offsets(-294.50,66.50,-2048.00)

Heading:12.65  (588,-132,4096) offsets(-294.50,66.50,-2048.00)

Heading:11.52  (589,-120,4096) offsets(-294.50,66.50,-2048.00)

Heading:11.48  (581,-118,4096) offsets(-294.50,66.50,-2048.00)

Heading:12.57  (583,-130,4096) offsets(-294.50,66.50,-2048.00)

Heading:12.53  (585,-130,4096) offsets(-294.50,66.50,-2048.00)

Heading:11.96  (590,-125,4096) offsets(-295.00,66.50,-2048.00)

 

and so on what ever the way I move it, Any tought?

 

 

 

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Replies

  • 3D Robotics
    Chris Anderson January 30, 2011 at 7:48pm
    That's not right. Either something went wrong in the soldering or you have a defective board. Did you put it on the oilpan in a way that you can still see the components? If so, do you have a 204 or 0 resistor as described here?
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