Inspired by the desire to heat my hottub when electrity is at it’s greenest and also cheapest price, if you use Octopus Energy’s - Agile Octopus tariff and by the sucess make by the team working with the newer Balboa BP series I have set about creating my own project with similar goals

You can follow the progress of this project at balboa_GL_ML_spa_control. Sadly, while both system use RS485 for their data lines, the actual message structure is very different