import machine 
import utime

redled = machine.Pin(5,machine.Pin.OUT)
buzzer = machine.Pin(2,machine.Pin.OUT)
yellowled = machine.Pin(4,machine.Pin.OUT)



while True:
    buzzer.value(1)
    redled.value(1)
    utime.sleep(1)
    redled.value(0)
    #buzzer.value(0)

    #buzzer.value(1)
    yellowled.value(1)
    utime.sleep(1)
    yellowled.value(0)
    #buzzer.value(0)