from machine import Pin, ADC
from time import sleep

# Input level air dari potensio
sensor_level = ADC(Pin(26))  # ADC0

# Output pompa (diganti LED)
pompa_isi = Pin(14, Pin.OUT)   # LED 1
pompa_buang = Pin(15, Pin.OUT) # LED 2

while True:
    nilai_raw = sensor_level.read_u16()
    level = nilai_raw * 100 / 65535  # Skala ke 0–100

    print("Level air: {:.1f}%".format(level))

    if level < 30:
        pompa_isi.value(1)
        pompa_buang.value(0)
    elif level > 70:
        pompa_isi.value(0)
        pompa_buang.value(1)
    else:
        pompa_isi.value(0)
        pompa_buang.value(0)

    sleep(1)