Does plugging in headphones cause permanant damage to a PHAT DAC card?
I was using headphones at first and not getting any sound after doing all the setup steps I could find. I have the PHAT DAC plugged on top of a PI3.
I then tried to see the output of the card on a scope (A Bitscope plugged into a Pi2 with an official touchscreen, ala Ben Heck Bitscope mod), and did not see any audio waveforms. Granted, I'm not that experienced with the Bitscope yet, but I have used other oscilloscopes.