Search:

Now it's OUTPUTS.

You tend not to use as many OUTPUTS as you do INPUTS which is why you'll often see cards with 5-IN 2-OUT or 12-IN 6-OUT etc.
OUTPUTS tend to only handle low currents so they...

Ok so Other INPUTS.

These can be anything from the door bell ringing to kettles boiled.!! . . However common ones are Probes, Drive faults, Spindle faults, low coolant levels, etc.

Then going...

So let's start with How many I/O.? ( or Inputs & Outputs for those who are brand, brand new and thinking let's start with WTF does I/O mean...Lol)
With the term I/O I'm talking about General Inputs...

I have successfully machined and engraved brass on my scrapyard CNC build, it has a cheap 500 watt Chinese brushless spindle. I have had decent results using a tiny center drill as an engraving...