@th it is noisy, especially at low speeds, but it shouldn't be this noisy. it looks better if you just take every third sample which makes me think: are you sampling it correctly (in the middle of the pwm pulse)?
@th it is noisy, especially at low speeds, but it shouldn't be this noisy. it looks better if you just take every third sample which makes me think: are you sampling it correctly (in the middle of the pwm pulse)?
Brushless DC motor slowly runs open loop, back EMF data looks super noisy. https://github.com/osresearch/micropython/commit/c39842f4c3712275a6cad4fbb235b32b526ecfdb