// Endstops
// E Stops not currently used
// Note: RepRapFirmware only as a single endstop per axis
//       gcode defines if it is a max ("high end") or min ("low end")
//       endstop.  gcode also sets if it is active HIGH or LOW
//
// 28 = RADDS X min
// 30 = RADDS Y min
// 32 = RADDS Z min
// 39 = RADDS PWM3
//
// This leaves 34, 36, and 38 as spare pins (X, Y, Z max)

const Pin END_STOP_PINS[DRIVES] = { 28, 30, 32, 39, NoPin, NoPin, NoPin, NoPin };

...

// Z Probe pin
// Must be an ADC capable pin.  Can be any of the ARM's A/D capable
// pins even a non-Arduino pin.
const Pin Z_PROBE_PIN = 5;  // RADDS "ADC" pin

// Digital pin number to turn the IR LED on (high) or off (low)
// D34 -- unused X-max on RADDS
const Pin Z_PROBE_MOD_PIN = 34;