ReSpeaker Mic Array v2.0 schematic


I’m looking for ReSpeaker Mic Array v2.0 schematic to understand where the pin header’s pins are from

And is there any pin can be used as GPIO to enable/disable the external device like amplifier ?



We do not open source the schematic. Here is the interfaces, there is no spare GPIO pins. thanks.

best rgds

Hi Bill

Thanks for your prompt support and clear answer

Have you thought about changing your mind on this? I would like to know more about this board and see the schematics.

I asked internally, not sure if I could provide schematics. But in actual use, there is no need to care about the internal structure, it is just a USB sound card.