
all of this with your Pi hooked up to a proper
keyboard and monitor.
3. MODIFY THE USB DAC (OPTIONAL)
If you only want to use Bluetooth audio, you can
skip this step.
Use your desoldering technique of choice to
remove the USB connector and the TRS audio
jack from the sound card/DAC. I was able to
get them mostly removed using a bit of braided
copper solder wick. The audio jack was a little
stubborn so I finished it off with some snippers.
Just be careful not to damage the pads on the
PCB! You can watch me do this about 13:25 in the
Part 2 video on YouTube.
4. LAY OUT YOUR COMPONENTS
From here on out, we’re going to be connecting
all the hardwar ...