from machine import Pin, PWM, ADC
from time import sleep

led1 = PWM(Pin(32), freq=1000)
led2 = PWM(Pin(33), freq=1000)

buzzer = Pin(19, Pin.OUT)
button = Pin(26, Pin.IN, Pin.PULL_UP)

pot = ADC(Pin(34))
pot.atten(ADC.ATTN_11DB)

blink_mode = False
last_button = 1

while True:
    # ===== BACA TOMBOL DULU (PRIORITAS) =====
    now = button.value()

    if last_button == 1 and now == 0:
        blink_mode = not blink_mode
        print("Toggle Blink:", blink_mode)
        sleep(0.2)  # debounce

    last_button = now

    # ===== MODE KEDIP =====
    if blink_mode:
        led1.duty(1023)
        led2.duty(1023)
        sleep(0.15)

        led1.duty(0)
        led2.duty(0)
        sleep(0.15)

        continue  # penting! supaya tidak ketimpa kode bawah

    # ===== MODE NORMAL =====
    nilai = pot.read()
    volt = nilai / 4095 * 3.3
    duty = int(nilai / 4095 * 1023)

    print(round(volt, 2), "V")

    led1.duty(duty)
    led2.duty(duty)

    if volt > 3.0:
        buzzer.value(1)
    else:
        buzzer.value(0)

    sleep(0.05)