How to connect my ethernet gateway to hass?

[nerukam]

I have built the ethernet gateway using an Arduino and a wiz5100 ethernet board. I can ping the board on its configured IP address from my computer.

I have HASS running in a container locally (to test it out).

The gateway has no sensors yet, but I'd expect it to be visible in HASS before I can add any sensors.

How do I get HASS and the ethernet gateway to know about each other?

[martinhjelmare]

No mysensors devices will be visible in home assistant until they are presented and send their first values to home assistant. So only having a gateway without sensors will not generate any mysensors entities in home assistant.

You can read more about presenting your mysensors devices to home assistant here:
https://home-assistant.io/components/mysensors/#presentation