# import time
# time.sleep(0.1) # Wait for USB to become ready

# print("Hello, Pi Pico W!")


from machine import ADC, Pin, PWM
import time

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

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

    #피코 GND는 GND1 GND2 GND3 등 어디든 가능함
    #SIG는 26이나 27번에 꽂기