Extension of the CalibratedSensor #54
Merged
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This is an extension of the existing CalibratedSensor code that makes it much more flexible.
I had a lot of trouble with magnetic sensors and stepper motors. Even with 3d printed parts I was never able to completely remove the missalignment, there was always some variation in the motor's torque.
With this code, it is very well eliminated. And even if the sensor is not perfectly positioned, the torque output is very nice and smooth. I've tested both voltage and current control and they both work well, at least in my case.
LIMITATION
The limitation though is that the misalignement error should be within the electrical revolution range (for example if using NEMA 17 it should not exceed 360/50 = 7.2 degrees). So this still means that the sensor should be reasonable well positioned.