In the tcpclient example, where does the variable ETH_PHY_W5500 get defined? i run the example by itself, it gives 'ETH_PHY_W5500' was not declared in this scope I am trying to run rosserial over ...

In Arduino IDE, the esp32 streams a small json from a Web socket and parses it. The values will be used to program a motor in a robot. An issue I had was the node express Web socket was stringifying ...