How do I wire / connect my limit switches to break out board?

Connect to "Input" Pins on Breakout Board. Limit switches are connected using the NC (normally closed) Example: (Pin #) to... (NC 1st switch), (Com 1st switch) to... (NC 2nd switch), (Com 2nd switch) to... ...etc... back to "5V" ("Com") on breakout board Wiring diagram can be found here: [reserve] See video on website under "Tutorials" > "Homing and Switches": http://buildyourcnc.com/PrimeronHomingandLimitSwitches.aspx