This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

pio口是否能输出1/2方波。



大家好,刚开始接触低功耗蓝牙,问一下,压电式蜂鸣器的声音响度不够时,想用电磁式蜂鸣器,因此从pio口产生上下振幅的方波(1/2方波)驱动电磁式蜂鸣器。电路没反向电压。是否能做到。谢了。