from machine import Pin
from time import sleep
res= Pin(34,Pin.IN)
led= Pin(2,Pin.OUT)
buzzer= Pin(21,Pin.OUT)

while True:
    if(res.value()==1):
        led.on()
        buzzer.on()
        print("object detected ")
    else:
        led.off()
        buzzer.off()
        print("There is no detected")
    sleep(0.5)