I'm trying to connect the MAX98357A Adafruit board to a rpi Zero W.
I've followed their documentation for installing and testing it. The installation went ok with no errors but at the test i got no sound, the speaker connected to it reproduce nothing ( i've tested the speaker separately and works ) but only a really low noise that is caused ( i think ) from a 0.2V current that constantly exits from the board.
- Amp Vin to Raspbery Pi 5V
- Amp GND to Raspbery Pi GND
- Amp DIN to Raspbery Pi #21
- Amp BCLK to Raspbery Pi #18
- Amp LRCLK to Raspbery Pi #19
Listed audio boards
pi@raspberrypi:~ $ aplay -l **** List of PLAYBACK Hardware Devices **** card 0: sndrpihifiberry [snd_rpi_hifiberry_dac], device 0: HifiBerry DAC HiFi pcm5102a-hifi-0 [HifiBerry DAC HiFi pcm5102a-hifi-0] Subdevices: 0/1 Subdevice #0: subdevice #0
All the tests with the following cmds fails ( so nothing is given as output while the test runs ). The volume is up to 100 ( adjusted with alsamixer ).
$ speaker-test -c2 $ speaker-test -c2 --test=wav -w /usr/share/sounds/alsa/Front_Center.wav