This paper introduces the principle of electromotor based on single chip computer 8051PWM, and the realization process of reversible control and non-reversible control.

• 摘要介绍了基于单片机8051PWM控制的电动机原理，阐述了8051与直流电动机构成的电机可逆控制和不可逆控制的实现过程。