Brushless DC motor (BLDC) and Brushes motor difference animation explaination

brushless dc motor product it is expensive at the beginning, because motor is a little expensive and also need a bldc drive circuit board or controller board to give it power signal. However, brushless motor is long-life lasting, in a long term, brushless products is cheaper.
and product with brushes motor, each time the motor rotate, the brushes are constantly rubbing against the commutator, they eventually wear out. and the rubbing process also generate a lot of heat, it can easily damage the motor soon.
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