old_contents: import gc
  import machine
  from machine import ADC, PWM
  
  Pin=machine.Pin
  
  d0=Pin(16)
  d1=Pin( 5)
  d2=Pin( 4)
  d3=Pin( 0)
  d4=Pin( 2)
  onboardled=d4
  d5=Pin(14)
  d6=Pin(12)
  d7=Pin(13)
  d8=Pin(15)
  a0=machine.ADC(0)
  
  from . import _wifi
  wifi=_wifi.setup
  wscan = _wifi.scan
  wip = _wifi.wip
  
  # convenient reset
  def reset():
      machine.reset()
  reboot=reset
  
  from upysh import ls,rm,cd,clear,pwd,mkdir,head,cat,mv,rmdir,newfile
  # overwrite man
  
  gc.collect()
  
  
  from ulnoiot.devices import *
  
  # build help-dictionary file for all visible things
  _excludes=["_excludes", "_helplist", "i",
             "__name__", "__path__",
             "HELP", "WIP",
             "gc", "machine"]
  _helplist = {}
  for i in dir():
      if i not in _excludes:
          t=eval(i)
          print (i,type(t))
          if t is not None and \
                  type(t) != type(machine) and \
                  not isinstance(t, Pin) and \
                  not isinstance(t, PWM) and \
                  not isinstance(t, ADC): # not a module or weird classes
              _helplist[t]=i
  
  from ulnoiot.help import help, man
  
  gc.collect()
  
new_contents: import gc
  import machine
  from machine import ADC, PWM
  
  Pin=machine.Pin
  
  d0=Pin(16)
  d1=Pin( 5)
  d2=Pin( 4)
  d3=Pin( 0)
  d4=Pin( 2)
  onboardled=d4
  d5=Pin(14)
  d6=Pin(12)
  d7=Pin(13)
  d8=Pin(15)
  a0=machine.ADC(0)
  
  from . import _wifi
  wifi=_wifi.setup
  wscan = _wifi.scan
  wip = _wifi.wip
  
  # convenient reset
  def reset():
      machine.reset()
  reboot=reset
  
  from upysh import ls,rm,cd,clear,pwd,mkdir,head,cat,mv,rmdir,newfile
  # overwrite man
  
  gc.collect()
  
  
  from ulnoiot.devices import *
  
  # build help-dictionary file for all visible things
  _excludes=["_excludes", "_helplist", "i",
             "__name__", "__path__",
             "HELP", "WIP",
             "gc", "machine"]
  _helplist = {}
  for i in dir():
      if i not in _excludes:
          t=eval(i)
          if t is not None and \
                  type(t) != type(machine) and \
                  not isinstance(t, Pin) and \
                  not isinstance(t, PWM) and \
                  not isinstance(t, ADC): # not a module or weird classes
              _helplist[t]=i
  
  from ulnoiot.help import help, man
  
  gc.collect()
  
subject: remove some debugging