import machine
import utime

sensor = machine.Pin(2, machine.Pin.IN)
led = machine.Pin(9, machine.Pin.OUT)

def read_pir():
    output = sensor.value()
    if output == 1:
        print("PIR sensor detected an object")
        led.value(1)
    else:
        print("PIR sensor did not detected an object")
        led.value(0)

while True:
    read_pir()
    utime.sleep(4)