jhon's Discussions (4)

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Using only one Hall sensor for 3 phase BLDC

dear my friends

Is it possible to use only one Hall sensor to determine the position of rotor in BLDC? I thought that maybe it's possible to count the magnets by only one Hall sensor and switching the mosfets. For example we have a 12 poles rotor with

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Why APM do not save my setting?

Hi my friends

I have a quadcopter with APM.

System works without problem, arm and disarm perfectly.

Calibration OK, ENGINES TURN.

Connect and disconnect battery and ESC sounds uncalibrated, not save settings.

What's problem with that?

Can not save the ESC 

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