Brushless motor doesn't spin for all angles

External hardware connected to the STM32 board
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Joined: Thu Oct 20, 2016 5:55 pm

Brushless motor doesn't spin for all angles

Postby bumbur » Mon Dec 12, 2016 4:44 pm

I calibrated my ESC with values: min=1000, max=2000 (unfortunately I have no idea what the corrects number should be as I have some no name Chinese ESC).

I attached it with:

Code: Select all

Servo motA;
motA.attach(PB0, 1000, 2000);

And I'm sending angle value like that:

Code: Select all


But the motor doesn't spin for values below value=9.
When I send value=9 and then value=8 it does keep spinning (slower of course), but then when I stop it and then send value=8 it doesn't spin.

I tried changing min to other values like 1300 etc. (and recalibrate ESC) but it doesn't change anything, it still starts spinning only on value=9.

Is it normal? Is there any fix for that? I want to use my motor for building a drone.

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