Ok, so I have wired my x, y and z limit switches to an arduino cnc shield, what happens is that when i press the switch from x or y it detects it and stops, but when I press Z, nothing happens. I ...

I finally got my Arduino and have GRBL installed and am getting ready to hook it to my milling machine. I previously had my machine running with LinuxCNC on a PC through parallel port to a breakout ...