The following is what I would like to do, and my question is what Hardware do I need to make this work.
I have a new Spike Flex fermenter. It has a SS coil immersed in the wort for cooling, a heating pad for heating, and a 1/2" NPT Thermowell. I also have a Tilt Hydrometer. I would like the BrewPi to control the temp for the fermenter, and log the Tilt data. Is it possible to have the BrewPi react to changes in SG as read by the Tilt? What do I need to run all this? I would need the BrewPi Spark. Is just one of them sufficient to run BrewBlox on and control the fermenter? I would also need the one wire NPT temp sensor. What relay do I need? Is one sufficient to run both the pump for coiling and the heating pad? Just wondering what I need to purchase to make this all work?