from machine import Pin
from time import sleep

pir = Pin (2, Pin.IN)
piezo = Pin (16, Pin.OUT)

while True:
    pir_value= pir.value()
    print("PIR value: ", pir_value)

    if pir_value==1:
        piezo.on()
        print("Motion detected")
    
    else:
        piezo.off()
        print("No motion")

    
    sleep(1)