I have to find a solution to uniform values on 3-axis accelerometers on different android devices. I mean, a device with a specific accelerometer, under the same acceleration, give me values for 3 axis that are different from the values of another device with different accelerometer. I need some kind of normalization.
I tried to calculate sensitivity for different accelerometers (reading values with smartphone under +1g and -1g and calculating half of the difference for each axis) and I thought calculate the difference of sensitivity between two accelerometers (supposing to take one of these as the target for my normalization) and sum or subtract it to each output value of each other accelerometer. Is it the right way??
What can I do otherwise? Is possible to solve my problem?