Can it also be damaged if I won't use the antenna at all? For example in the ESP32-POE-EA by Olimex, where I would use Ethernet instead of wireless connectivity.

Hello guys, I have an ESP32-PoE-ISO from Olimex, and I'd like to connect an MCP3008 and MCP 3004 to it. I'd like to put both on the VSPI bus, with different slave selects. However it seems that most arduino libraries for the MCP series assume that when you initialise the library with custom pins set...