> The PCB has a switching chip that switches between connecting the headphone adapter to the phone by default, and then disconnecting it and connecting the ligh

> The PCB has a switching chip that switches between connecting the headphone adapter to the phone by default, and then disconnecting it and connecting the lightning jack when something is plugged into it. Ah but this means you can't listen through the jack and charge your phone at the same time. That's my most missed feature since Apple did away with the headphone jack (I think technically you can still do this with a dongle?). Cool project overall though, kudos to the author.