I've been dealing with my sick fish most of the day. Would you or Steve put your stamp of approval on the following element, keeping in mind that I need stainless steel or incoloy for fish.
As I read it, it appears to be…"
"Hi Chris - glad you get sorted.
Just note - 2 of the 3 power supplies you shown is DC 5V - should be fine as the relay works from 3 to 32Vdc. If you look at Steve's drawing - follow the positive (+) terminal from the…"