I want to calculate DOA of ReSpeaker 2-Mics Pi HAT, but did not found the distance of those 2-mics.
I think it’s possible to find out from the PCB layout: https://files.seeedstudio.com/wiki/MIC_HATv1.0_for_raspberrypi/src/ReSpeaker%202-Mics%20Pi%20HAT_PCB.zip