Comment by bubaumba

I played with it years ago, but it's still alive and well

    http://linuxcnc.org/

These days not sure, hard to find computer with parallel port. Combined version with microcontroller like raspberry pico (which costs < $10) should be the right way to do it. Hard real time, WiFi remote for cheap. Then computer doesn't need to be fat or realtime, almost anything, including smartphone.