Am I correct to read that there's 2 of the ESP32's pin connected directly to the expansion header and not via the IO expander?
IO32 and IO33? Looking to PWM a transistor to drive a fuel gauge. An LCD in the future would be great too, probably SPI with the looks of things.
Yes, see here for details:
https://docs.google.com/document/d/1q5M9Lb5jzQhJzPMnkMKwy4Es5YK12ACQejX_NWEixr0/edit#heading=h.3wzaabu7jje2