from machine import Pin #import Pin library
from time import sleep # import sleep function
buzzer = Pin(15, Pin.OUT,Pin.PULL_UP) #set GP15 as digital output pin for buzzer
pir = Pin(16, Pin.IN,Pin.PULL_DOWN) # set GP16 as digital input pin for PIR motion sensor
while True:
if pir.value(): #when PIR detects motion
print("Intruder is detected!")
buzzer.low() # make buzzer alarm
else:
buzzer.high() #close buzzer alarm
print("No Intruder!")
sleep(0.1)
