What is the Angle measurement principle of hall sensor?

I looked at the code, but I couldn’t understand how the Hall sensor was doing the Angle estimation

@tzp211

Hello and welcome to the forum.

Please check out the following sources:

Page 14 and onwards have some good description

This one also has some good description

https://lucidar.me/en/actuators/commutation-for-bldc-motors/

Cheers,
Valentine