Limit Switches

Finished running wires, then soldered them to the six limit switches.
Next, tested each switch.  The all work!  Red wires are all connected to 5V supply and green wires are brought to 5V when a limit is hit.  Each pair of switches has its own port on the board, so the computer will know which axis has hit the limit - but not which switch.  When a switch is triggered, the CNC routine will stop.

Usually, with this many wires and connections, I find I did something wrong.  This is worth celebrating.

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