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


Led_pin = 15
Potentiometer_pin = 0 # ADC0 multiplexing pin is GP26
def setup():
    global LED
    global Pot_ADC
    LED = PWM(Pin(Led_pin))
    LED.freq(2000) #Set the LED operating frequency to 2KHz
    Pot_ADC = ADC(Potentiometer_pin)


def loop():
    while True:
        print ('Potentiometer Value:', Pot_ADC.read_u16())
        Value = Pot_ADC.read_u16()
        LED.duty_u16(Value)
        sleep(0.2)

if __name__ == '__main__':
    setup()
    loop()