Lisftmaster 800

Hi all,
I would like to be able to open and close my garage door with HA. I have a sonoff SV and I have put espHome on it.
I just don’t know which connection to use on my liftmaster 800. Has anyone experience with this model? Or knows how to connect it by looking at the connections?

Thanks in advance
Aaron

For those who are interested. It works through connections 1 and 2. I got it working now. Really cool! :grinning:

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could you tell us more?
im thinking to use esp32 with relay…