hello, purchase a set of the DAC + ADC board for RPI4B.
os & kernel version
Linux 5.10.17-v7l+ armv7l
Raspbian GNU/Linux 10 (buster)
updated config to add
dtoverlay=hifiberry-dacplusadc
arecord -l
**** List of CAPTURE Hardware Devices ****
card 1: sndrpihifiberry [snd_rpi_hifiberry_dacplusadc], device 0: HiFiBerry DAC+ADC HiFi multicodec-0 [HiFiBerry DAC+ADC HiFi multicodec-0]
Subdevices: 1/1
Subdevice #0: subdevice #0
trying to record with
arecord -c 2 -r192000 -f S16_LE -D plughw:1,0 file.wav
i've tested the microphone on another device and it works fine.
any ideas what i am missing to make dac+adc record?