from machine import PWM, Pin, ADC
from time import sleep_ms
from math import pow

# Define the GPIO pins
led1_pin = 14
led2_pin = 15
pot_pin = 28

# Create the PWM objects for the LEDs and the ADC object for the potentiometer
led1 = PWM(Pin(led1_pin))
led2 = PWM(Pin(led2_pin))
pot = ADC(pot_pin)

# Set the PWM frequency to 1000 Hz
led1.freq(1000)
led2.freq(1000)

while True:
    # Read the potentiometer value (0-65535)
    pot_value = pot.read_u16()

    # Calculate the brightness values for LED1 and LED2
    led1_brightness = (16 / 65535) * pot_value
    led2_brightness = 16 - led1_brightness

    if led1_brightness == 16:
        
        led2.duty_u16(0)

    
    elif led2_brightness == 16:
    
        led1.duty_u16(0)
    

    # Apply the brightness values to the LEDs using an exponential scale
    led1.duty_u16(int(pow(2, led1_brightness)))
    led2.duty_u16(int(pow(2, led2_brightness)))

    # Print the current brightness values
    print(f"LED1 Brightness: {led1_brightness:.2f}%, LED2 Brightness: {led2_brightness:.2f}%")

    # Delay for 100 milliseconds

    
    sleep_ms(100)