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


adc = ADC(Pin(35))
button = Pin(13, Pin.IN, Pin.PULL_UP)
button_before = 0
time_button_before = 0
time_button = 0


x = 0

pins = [18, 5, 4, 2, 15]
pwms = []
leds = []
for pin in pins:
    led = Pin(pin)
    leds.append(led)
for led in leds:
    pwm = PWM(led, freq=500, duty=0)
    pwms.append(pwm)

led_state = 0
led_before = 0


while True:
    button_now = button.value()
    if button_now != button_before:
        button_before = button_now
        sleep(0.1)
        if button_now == 0:
            led_state = True
            y = x
            print("y =", y)
            led_before = pwms[y]
            x = x + 1
        if x == 5:
            print("x =", x)
            x = 0
            print(y)
            
    if led_state:
        pot = adc.read()
        pot = pot//4
        pwms[y].duty(pot)
        led = pwms[y].duty(0)