Welcome. You will need to put a number on "old" if you are to impress us old fogeys here. I'm 67.75 and I'm certainly not the oldest. If you ask a specific question in the appropriate section you are likely to get help - Project Guidance for general queries, Programming if it is a problem you are having with a program of Motors, Mechanics, Power and CNC if it is about the interface with those devices.This Forum is essentially about helping people with Arduino programming problems. However if your query is really about CNC you may find that you get more useful advice on some of the CNC speciialist forums. I presume you are aware that a huge amount of advice about everything under the sun is available on YouTube....R
At this time my interest is in knowing if the Arduino is also capable of receiving and processing input.
I've got this covered so I won't be needing any help from you banjo players.