51通过对芯片L298N芯片控制直流电机，直流电机换向，换向、调速 -51 chip through the L298n chip control DC motor, DC motor is reversing, revering, speed regulation

51通过对芯片L298N芯片控制直流电机，直流电机换向，换向、调速 -51 chip through the L298n chip control DC motor, DC motor is reversing, revering, speed regulation

单片机控制风机转速，吹起圆盘，并稳定在指定高度(SCM control fan speed, blowing disk, and stable at the specified height)

双路电机驱动原理图及PCB布线图，两个电机单独控制，可以实现电机的正反转，电机的PWM速度控制。(Dual motor drive schematic diagram and PCB wiring diagram, two motors separately control, can achieve positive and reverse motor, motor speed control of PWM.)