text: import time
  from machine import u2if, Pin
  
  
  def irq_callback(pin, event=None):
      is_rising = event & Pin.IRQ_RISING
      is_falling = event & Pin.IRQ_FALLING
      info_interrupt = '%s pin %d =>' % (time.time()*1000, pin)
      if is_rising:
          info_interrupt += ' RISING'
      if is_falling:
          info_interrupt += ' FALLING'
      print(info_interrupt)
  
  
  # Configure first switch
  switch = Pin(u2if.GP_9, Pin.IN, pull=Pin.PULL_UP)
  switch.irq(handler=irq_callback, trigger=Pin.IRQ_RISING | Pin.IRQ_FALLING)
  # Configure second switch with debouncer
  switch_debounced = Pin(u2if.GP_8, Pin.IN, pull=Pin.PULL_UP)
  switch_debounced.irq(handler=irq_callback, trigger=Pin.IRQ_FALLING, debounce=True)
  
  while True:
      # Retrieve all irq recorded and call handler
      Pin.process_irq()
      time.sleep(0.005)
  
  