from machine import Pin
import utime

# Konfigurasi pin buzzer
BUZZER = Pin(12, Pin.OUT)

# Konfigurasi pin push button (menggunakan pull-up internal)
Button1 = Pin(10, Pin.IN, Pin.PULL_UP)
Button2 = Pin(7, Pin.IN, Pin.PULL_UP)
Button3 = Pin(5, Pin.IN, Pin.PULL_UP)

print("Sistem siap, tekan ketiga tombol untuk mengaktifkan buzzer...")

while True:
    # Membaca status semua tombol (LOW = ditekan)
    btn1 = Button1.value()
    btn2 = Button2.value()
    btn3 = Button3.value()

    if btn1 == 0 and btn2 == 0 and btn3 == 0:
        print("Semua tombol ditekan, Buzzer AKTIF!")
        BUZZER.value(1)  # Nyalakan buzzer
    else:
        BUZZER.value(0)  # Matikan buzzer

    utime.sleep_ms(100)  # Delay untuk debounce sederhana