How does the hardware work? It seems like there isn't any radio hardware other than the ESP, so that can natively receive the ITS-G5 messages? Why not just use an ESP board with native ethernet then?
replyThey are doing it with the standard WIFI receiver.
Currently they are sending the Wireshark dumps to a backend for processing.
replyAccording to their presentation they are working on a rust firmware to do everything on the board.