#Duda
import time
from machine import Pin
time.sleep(0.1) # Wait for USB to become ready

PIR=Pin(26,Pin.IN)
LED=Pin(19, Pin.OUT)

while True:
    if PIR.value()==1:
        LED.value(1)
        time.sleep(0.5)
        LED.value(0)
        time.sleep(0.5)
    time.sleep(1)