Yes. That is what I thought too. This seems really weird.
@dabenza Could you test the dfPlayer by itself?
Connect IO_1 or IO_2 with GND. You should hear something. Your SD Card should be insert
Yes. That is what I thought too. This seems really weird.
@dabenza Could you test the dfPlayer by itself?
Connect IO_1 or IO_2 with GND. You should hear something. Your SD Card should be insert