LOPY OEM VDD1V8

[megabyting]

I am trying to figure out what the function of VDD1V8 is. Could anyone please enlighten me.

Cheers
Keith

[littlebat]

OEM modules use 1.8v flash and ram. not sure if they are powered by discrete ldo or esp32 onboard ldo and whether the pin is intended as alternate supply or output.