@kouny wrote:
I have a RS-485 Modbus device which cannot be reached by the computer used for HA.
However, I can easily flash an ESP8266 to act as remote serial and which will communicate with the Modbus device using a RS-485-to-serial converter.
My device supports only the RTU mode and I see from https://www.home-assistant.io/integrations/modbus/ that HA can do it too. However, how can I tell HA to use a remote, TCP port as serial?
I saw some Modbus RTU to MQTT projects but they all seem more involved than a simple Wifi-serial bridge.
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