from machine import Pin, PWM
from time import sleep

led = Pin(1, Pin.OUT)      # Declare LED as an output
# creating a PIR object, setting it as IN
pir = Pin(10, Pin.IN)
buzzer = PWM(Pin(5))       # Declare buzzer on GPIO5 as PWM output
buzzer.freq(1000)          # Set buzzer frequency (adjust as needed)
buzzer.duty_u16(0)         # Turn off the buzzer initially

motion_detected = False    # Initialize motion detected flag 

# continuously read data from the PIR sensor
# print a status whether a motion is detected or not 
while True:
   if pir.value() == 1:
        if not motion_detected:
            led.value(1)     # Turn LED ON
            buzzer.duty_u16(32768)  # Turn on the buzzer (adjust duty cycle for desired sound)
            motion_detected = True
            print(f"PIR value: {pir.value()}     Status: Motion detected!")
   
   else:
        if motion_detected:
            led.value(0)     # Turn LED OFF
            buzzer.duty_u16(0)   # Turn off the buzzer
            motion_detected = False
            print(f"PIR value: {pir.value()}     Status: Waiting for movement...")

    # PIR sensor would check for movement every second
   sleep(1)