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

print("Hello, Pi Pico!")

from machine import ADC,Pin,PWM 
pot=ADC(Pin(26))
led=PWM(Pin(0),freq=2000)

while 1:
    val=pot.read_u16()
    print("adc value:",val)
    led.duty_u16(val)
  
    time.sleep(0.4)