TM4C123g通过PWM控制电机,当控制一个电机时情况正常,但当控制两个电机时只启动了一个点,另一个电机启动不了?
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TM4C123g通过PWM控制电机,当控制一个电机时情况正常,但当控制两个电机时只启动了一个点,另一个电机启动不了?
PWM引脚电平改变了是VHN25P30引脚还是M4的引脚电平?
建议监控一下5V的电压是否稳定,猜测是供电不足,查看一下你电源的电流是否足够驱动两个电机。