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Blog posts tagged with 'sensorless bldc motor'

What are Sensored and Sensorless Brushless Motors Used for?
In general, both sensor and sensorless brushless motors have advantages and disadvantages. When both are up and running, it can be difficult for even an experienced driver to notice the difference. Depending on your preference, you will have to choose the right one for your RC car between these two types of motors. However, using a sensorless motor for crawling may not be ideal because it requires a lot of speed control. In terms of compatibility, it is also important to note that you can use a sensor motor on a sensorless ESC, but not a sensorless motor on a sensor ESC.
Difference Between Sensored and Sensorless Brushless Motor
In the sensored brushless, the sensored refers to the "Hall sensor", so what is the "Hall"? Hall refers to the Hall effect. When the current passes through the conductor perpendicular to the external magnetic field, there will be a potential difference between the two end faces of the conductor perpendicular to the magnetic field and the current direction. This phenomenon is the Hall effect. This potential difference is also called the Hall potential difference. Simply put, through the Hall sensor, the brushless driver can clearly know the position of the rotor of the brushless motor.