Quote Originally Posted by EddyCurrent View Post
Les, You say you have a version of this that works well, so by making the changes to it's own supply and using opto-isolation surely this one will work fine too ?
Ah, but working and being safe are two separate things!

Quote Originally Posted by EddyCurrent View Post
It's a matter of scale probably, it's a 3020 after all so is there going to be a real emergency ? I don't know, what do you think?
The EStop just being software is fine to be honest, I can always change it in the future if needed.

I am going to order some parts and test it out on the breadboard over the next couple of days. I will let you know how it goes.

Regards,

Les