text: """IO Definitions
  
  Attributes
  ----------
  LED1
      Finishing light
  LED2, LED3, LED4
      General Purpose debug LEDs
  RST
      Reset button
  ESTOP
      Emergency stop
  GP2
      General Purpose button BUT2
  GP3
      General Purpose button BUT3
  """
  
  import gpiozero
  
  
  # LEDs
  LED1 = gpiozero.LED(11)
  LED2 = gpiozero.LED(0)
  LED3 = gpiozero.LED(19)
  LED4 = gpiozero.LED(26)
  
  
  # Buttons
  RST = gpiozero.Button(12)
  ESTOP = gpiozero.Button(21)
  GP2 = gpiozero.Button(16)
  GP3 = gpiozero.Button(20)
  