Voron V2 - SKR 1.4 Wiring

Initial Preparation

If you’re using the TMC2209 stepper drivers, use a small pair of wire cutters and remove the (diagnostic) pin marked in purple. This is to disable sensorless homing, which is not needed for the V2.

SKR 1.4 TMC2209 diagnostics pin removal

Then reconfigure the on-board jumpers as shown.

SKR 1.4 preparation

MCU X/Y/E, Hot End

  • Place stepper drivers for X, Y, and E in positions X, Y, and E0
  • Plug in stepper motors for X, Y, and E in positions X, Y, and E0
  • Plug Hot End thermistor to thermistor TH0 (P0.24)
  • Plug Hot End heater in to HE0 (P2.7)
  • Plug Hot End Fan in to HE1 (P2.4)
  • Plug Part Cooling Fan in to Fan (P2.3)
  • Connect X end stop to +X connector (P1.28)
  • Connect Y end stop to +Y connector (P1.26)
  • Wire 24V and 0V from DC power supply to Power In
  • Connect USB Cable to your SKR 1.4, but do not connect it yet to your Raspberry Pi

SKR 1.4 MCU XYE

MCU Z, Bed, Exhaust Fan

  • Place stepper drivers for Z0, Z1, Z2, and Z3 into positions X, Y, Z, and E0
  • Plug in stepper motors for Z0, Z1, Z2, and Z3 into positions X, Y, Z, and E0
  • Plug Bed Heater thermistor in to TB (P0.23)
  • Plug in Exhaust Fan in to HE0 (P2.7)
  • Plug in Controller Fan in to HE1 (P2.4)
  • Plug SSR Control for Heated Bed in to Fan (P2.3)
  • Plug Z Endstop Switch into -Z (P1.25)
  • Plug Probe PWR and GND into FAN2
  • Plug Probe Signal (with BAT85 diode) in to Probe (P0.10)
  • Plug display wires in to EXP1 and EXP2
  • Wire 24V and 0V from DC power supply to Power In
  • Connect USB Cable to your SKR 1.4, but do not connect it yet to your Raspberry Pi

SKR 1.4 MCU Z

SKR 1.4 Pinout

For reference, here is the pinout of the SKR 1.4

SKR 1.4 Pinout