Here is DC Motor working principle; types of DC Motor - Brushed, Brushless, DC Servo Motor; DC Motor driving using H bridge and L293D motor drivers, etc.
Brushed vs Brushless DC Motors: Which is Best for your Application? - Tech Briefs
EML2322L -- Electric DC Motors
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What is a Brushless Motor? Answered (2023) - Tyto Robotics
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FAQ: How to pick between stepper motor, brush dc, and brushless motors?
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DC Motors and Stepper Motors used as Actuators