I will try to be a bit clearer.
For the moment I implemented a firmware on ESP32 to handle a focuser. On Ekos side the focuser driver connect the to the ESP32 via wifi. There is 2 servers running on ESP32. One that handle the focuser commands coming from EKOS and another that handle commands coming from a mobile device. I am not sure this is the best solution. This is why I wondered if it couldn't be better that the ESP32 could connect directly to the INDI server and act as a client.
Maybe it is a silly idea.

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