Auto Off! Automatic 3D printer Shutdown. Complete power off.

Short version: Printer finishes, and lowers the hotbed but stays on.
Now printer completely shuts off then the hotbed is lowered. =)

Long version:
So I print a LOT.
I don't sacrifice my time by babysitting or staring at the printer. Plus it stinks.
I have a webcam to remote monitor the printer so I know if it had a problem such as not feeding filament or the part came off the hotbed, also so that I know if the print finished because the hotbed will be lowered outside of the webcam view.

But then I have to go upstairs to turn the printer off so it isn't sitting there running the fan and power supply for no reason.

So I made an "Auto Off!" box to hold a pressure switch, an override power ON switch, a green light for Armed, and a red light for stop.
Now when the webcam shows the hotbed was lowered and therefore the printer is done, it has also shut off the printer completely! (But the webcam stays on unless plugged into the same outlet.)


I then got a 120V AC rel