from machine import Pin
import utime

# Konfigurasi pin buzzer dan tombol
buzzer = Pin(12, Pin.OUT)                # Buzzer pada GP12
button1 = Pin(10, Pin.IN, Pin.PULL_UP)   # Tombol 1 pada GP10
button2 = Pin(7, Pin.IN, Pin.PULL_UP)    # Tombol 2 pada GP7
button3 = Pin(9, Pin.IN, Pin.PULL_UP)    # Tombol 3 pada GP9

while True:
    # Baca kondisi tombol (0 = ditekan, 1 = tidak ditekan)
    b1_state = button1.value()
    b2_state = button2.value()
    b3_state = button3.value()

    # Jika ketiga tombol ditekan bersamaan (semuanya 0)
    if b1_state == 0 and b2_state == 0 and b3_state == 0:
        buzzer.value(1)  # Aktifkan buzzer
        print("Buzzer Berbunyi!")
    else:
        buzzer.value(0)  # Matikan buzzer

    # Debounce sederhana
    utime.sleep_ms(50)