import time
time.sleep(0.1) # Wait for USB to become ready
from machine import Pin,PWM,ADC
led=PWM(Pin(1))
led.freq(60)
buzzer=PWM(Pin(2))
buzzer.freq(200)
pot=ADC(Pin(28))
pir=Pin(3,Pin.IN)
button = Pin(5, Pin.IN)
n=1234
while True:
    raw=pot.read_u16()
    if pir.value()==1 and raw>=33333 :
        for i in range (1,8):
            raw=pot.read_u16()
            led.duty_u16(raw)
            buzzer.duty_u16(10000)
            time.sleep(0.2)
            if raw<33333 or button.value()==1:
                led.duty_u16(0)
                buzzer.duty_u16(0)
                break 
            raw=pot.read_u16()
            led.duty_u16(0)
            buzzer.duty_u16(0)
            time.sleep(0.2)
            if raw<33333 or button.value()==1:
                led.duty_u16(0)
                buzzer.duty_u16(0)
                break