2 layer PCB

[Baoshi]

Well, I may need to design a board with ESP32 bare chip (not module) on a 2 layer board.
Passing FCC is mandatory.
Any pioneer can tell me if it is possible, any rules-of-thumb, or I'd better starting with 4 layers?
The project is just at planning stage. It is better to make sure than sorry later.
Thanks
BS

[filipe22]

Hi, you can take a look at the design made by sparkfun: https://codeload.github.com/sparkfun/ES ... zip/master

Filipe