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Single chip microcomputer STM32L151CCU6 Mobile phone crystal 3.2*2.5mm 3225 26M (26.000MHZ) 7.5PF 10PPM 20PPM 30PPM Photocoupler 
The picture above shows a simple massager motor drive circuit. The circuit is mainly composed of a motor power supply circuit, a motor drive circuit, a motor, and the like.