from machine import Pin
from time import sleep

motion = False

led = Pin(2, Pin.OUT)
pir = Pin(14, Pin.IN)

def handle_interrupt(pin):
  global motion 
  motion = True
  global interrupt_pin
  interrupt_pin = pin

pir.irq(trigger=Pin.IRQ_RISING, handler=handle_interrupt)

while True:
  # Use motion is always FALSE in this loop
  #until interrupt by irq

  #if interrupt, then montion TRUE
  if motion:
    print("Motion detected/ Interrupt by:", interrupt_pin)
    led.on()
    sleep(20)
    led.off()
    print('Motion Stopped/')
    motion = False

  #if no interrupt, then motion FALSE
  else:
    print('No Motion Detected/')
    led.off()
    motion = False