I'm newbie about electronic and i don't know if i can used my cnc out that gives 5volts as sensor? Here is what would like to make.
i have a cnc oxygen fuel machine that have a solenoid valve that hook up in cnc out. when my cnc machine trigger to open the solenoid valve the output give 5 volts to open that valve.
my question is can i use this 5volt as sensor to arduino uno.