from machine import Pin
from utime import sleep

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

def interrupt_pir(pin):
    print("motion detected",pin)
    led.on()
    
    led.off()
    sleep(10)
    print("motion stop")

pin_pir.irq(trigger=3, handler=interrupt_pir)

while True:
    led.on()