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.
用户手册里关于A1的描述为Analog Input,而不是ADC-A,是因为这个管脚不具备模数转换功能吗?这个Analog Input翻译为“模拟输入”的信号作何用?