Oh nice. I think I'll go the relay route. Putting together a parts list now.
I've been looking at the build for the iSpindels as well. Can you run multiple iSpindles to different fermenters at the same time?
Thanks for the quick reply.
Yes, I was referring to the glycol loop that would always be running. I found some irrigation 12v solenoid valves I'm thinking could work. Would I need relays for 12v for these solenoids, like these?
12v Relays
Sweet build!
I would like to replicate your build as I have 3 fermenters I would like to control with Fermentrack for glycol and heating. What type of valve are you using to control the glycol and what is the power requirement for the valves? How do you have them wired into the control panel...