from mahine import ADC, Pin, PWM
import time

pot = ADC(Pin(26))                    # GP26 = ADC0
led = PWM(Pin(15))                    # LED + 220옴 저항
led.freq(1000)                        # 1kHz로 깜빡임 (눈에는 안보임)

while True:
    value = pot.read_u16()            # 0~65535
    led.duty_u16(value)               # 그대로 밝기로 전달
    time.sleep(0.02)