from machine import Pin
from time import sleep

Pir = Pin(4, Pin.IN)  
Led = Pin(23, Pin.OUT) 

while True:
    if Pir.value() == 1:  
        Led.value(1)  
        print("Motion is detected!")
        sleep(1)  
        Led.value(0) 
    else:
        print("Motion is not detected!")
        Led.value(0)  
        sleep(1)