from machine import Pin, PWM
from utime import sleep, sleep_us,ticks_us


sleep(0.1)

pir = Pin(15, Pin.IN)

while True:
    if pir.value() == 1:
        print("Wellcome Guest! Pls Enter and adress the Host of your presence.")
        buzzer = PWM(Pin(16))
        while True:
            buzzer.freq(500)
            buzzer.duty_u16(3000)
            sleep(1)
           
    else:
        print("Waiting for Guest...")
        sleep(0.5)