Hello, im working with a DMX and ArtNet Project, i make a 1 Universe board following the ArtGateOne github project :ArtGateOne-DMX/ArtGateOne_DMX_1.3 at master · ArtGateOne/ArtGateOne-DMX · GitHub
But here's the question, is there a way to share an ethernet shield for two different arduino boards that would share the same IP, but each individually have their own designated artnet universe?
If I am not wrong, I can send by artnet the two universes by the same ethernet cable and then each Arduino check that it is its corresponding universe, or that would be my idea.
Welcome to the forum.
That is not possible.
The Arduino board talks to the Ethernet Shield via the SPI bus. If you want to change the Arduino board, then it has to initialize the Ethernet Shield all over again.
It is possible to use a single Arduino Mega board with a Ethernet Shield, which passes the information on to other shields via Serial ports.
The Ethernet Shield uses low level communication. Some routers don't work with it. In the past I had to add code to unlock unused sockets, or else it would lock up. I don't know the current status, but I think that still can happen. The ESP32 has higher level and better interface via Wifi.
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