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How to do calibration ?

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Total Posts: 27

Joined 2013-04-21

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Hello

In the SDM sensor pdf document, calibration is presented as a process to be done by the receiver to enhance the stride calculation. Is that correct ? calibration is not done in the sensor itself ?

I would like to connect this sensor to an Android smartphone.

Have you any code example or explanation how to do calibration on the smartphone with data transmitted by the sensor ? It could help me to make some coding.

Thanks for the support.

     
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Total Posts: 662

Joined 2012-10-09

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Calibration is not performed in the sensor.
The process requires running a known distance, and then applying an adjustment factor in the display itself. For example, if while performing calibration, the user was asked to run a known 1000m (e.g., in a treadmill or track), and the sensor reported 998m, the display would know that it needs to multiply the reported distance by 1000/998 for future runs.