Plug in your USB sound card and run the command aplay -l etc/alsa/nfFirst let's identify our card. On Raspbian Jessie we'll be modifying the file (Old instructions for switching audio output.) If you're using an older version of Linux, you'll have to modify the file I'm going to assume that you're using a recent (Jessie) version of Raspbian here. I'll have to get around to it some day anyway, but for now I have a cheap USB sound card dongle lying around (previously used with a BBB), so I'll use that.Ĭonfiguring a USB Sound Card on the Pi Zero
If I was serious about deploying piHole on the Pi Zero I'd choose this second option. Or by building a simple RC filter and connecting to PWM output on GPIO 18: (Raspberry Pi audio configuration instructions here.) If you're using any other kind of Pi, skip this step, a USB sound card is only needed if you're using the Pi Zero, which doesn't have an audio jack.Įven with the Zero, you can avoid using a USB sound card by either using an HDMI cable and your TV's speakers:
