Thanks for your extensive reply! I'll exchange the LDO for a more beefy version.

I expected the S2 to just show on connect regardless of the IO0 state.
I did try resetting the chip while holding IO0 but that didn't solve the issue (the first time) so I disregarded that as a cause. I must have tried ...

Hi everyone,

After many, many hours of designing I've finally got a bunch of custom esp32-S2 boards in. They look great, however there's a huge challenge: I can't get them to work! That is, when connecting the board to my laptop (Windows 10) the boards are not recognised.

1 or 2 faulty boards are ...