August 30, 2012
about 2 years ago
I bought two of these because I thought I accidentally fried the first one.
However, I observed that the X-Y-Z axes are centered at different values for my two MMA7361s, even though documentation indicates that all axes should be centered at Vcc/2 = 3.3/2 = 1.65:
 x:1.55 y:1.65 z:1.40
 x:1.65 y:1.75 z:1.45
Am I doing something wrong, or are the centered values just not calibrated right?
useful application note :: http://www.freescale.com/files/sensors/doc/app_note/AN3461.pdf
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