Use an ESP8266 to replace RPI and Arduino. Running BrewPi without Pi, therefore, BrewPi-Less
The ID value is the value after “id=” in the URL of Brewfather’s BrewPiLess setting. Device label is supposed to be “FERMENTER1”. I bet you can have “FERMENTER2”.
Minimum logging period is 900 seconds, any input value smaller than that will be overwritten to 900s.