from machine import Pin
from utime import sleep, sleep_ms

pir = Pin(17, Pin.IN)
rojo = Pin(48, Pin.OUT)
verde = Pin(45, Pin.OUT)

while True:
    dato = pir.value()
    print (dato)
    sleep_ms(50)
    if dato == 1:
        verde.on()
        rojo.off()
    else:
        verde.off()
        rojo.on()