Best result I have is with the RS485 M5Stack modules connected to whatever ESP you prefer.
Watch out with cheap modbus module boards, like mentioned here: Brink Flair 325 Heat recovery unit ESPhome modbus integration (~$5) - #145 by kotrfa
Best result I have is with the RS485 M5Stack modules connected to whatever ESP you prefer.
Watch out with cheap modbus module boards, like mentioned here: Brink Flair 325 Heat recovery unit ESPhome modbus integration (~$5) - #145 by kotrfa