The answer is “it depends”. It depends on
A) how your software is set up and your spindle control is wired.
B) how you have the panic button wired. Mine kills the mains power to everything except the PC. One like,this:
I’m also at a point that I want to start wiring my machine.
I don’t want to proceed without my E-Stop, but it seems that a schematic is nowhere to be found.
Could you perhaps provide such a sketch? I have a Hobbycnc EZ 3 axis board.
Greetings from Dark Africa