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

# Initialize potentiometer on GPIO 26
pot = ADC(Pin(28))

# Initialize PWM for LED on GPIO 14
led = PWM(Pin(3))
led.freq(50)  # Set PWM frequency to 50Hz

# Main loop
while True:
    pot_value = pot.read_u16()        # Read ADC value (0-65535)
    print(pot_value)                  # Print ADC value for debugging
    led.duty_u16(pot_value)          # Set LED brightness based on pot value
    sleep(0.1)                        # Short delay