Paulb-smartit commented Aug eight, 2022 @1danielsan you have to compile a Edition with ethernet aid. Ethernet help is in no precompiled firmware. You may try out my unofficial Develop Edit: use ONLY the additional ESP32 documents from in this article Abigen: Go binding generator Geth features a supply code generator https://ethgenerator86295.blogsidea.com/35361425/indicators-on-random-ethereum-address-you-should-know