Hello TD-er,

Thank you for your quick reply. The newer firmware works fine and it seems to interface with the OTGW correctly as well.

I guess the instructions to use that specific, older version are outdated.

Kind regards,

Wim

Hello all, I'm getting empty responses while contacting the ESP at its assigned IP address from a browser. Ping response is good. Any ideas on how to determine why this happens? This started just after setting up a new NodoMCU with the ESP147 firmware as per instructions from the OpenTherm Gateway w...