from machine import Pin
from time import sleep
buzzer=Pin(16,Pin.OUT)
ir=Pin(15,Pin.IN)
while True:
  ir_value=ir.value()
  if ir_value== True:
    print("Buzzer OFF")
    buzzer.value(0)
  else:
    print("Buzzer ON")
    buzzer.value (1)
  sleep(0.5)