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.
楼主你好!
请参考下图:
这几个引脚不用连接,内部有弱上拉。或者全部上拉就可以。
不用薄码开关,也不用上拉,什么都不接,就可以完成你说的功能。