# https://randomnerdtutorials.com/micropython-gpios-esp32-esp8266/

# add 4 more leds to this project;
# instead of dimming one single led
# to indicate value from potentiometer, 
# light off all leds when 
# analog value < 20%
# led1 on when value 20% to 30%
# led1 and led2 on when value 30%---50%
# led1,2,3 on when value 50% to 80%
# all leds on when more than 80%
# from machine import Pin, ADC, PWM
# from time import sleep

from machine import Pin, ADC
from time import sleep

# Initialize LEDs
led1 = Pin(0, Pin.OUT)  # Change pin numbers as needed
led2 = Pin(4, Pin.OUT)
led3 = Pin(16, Pin.OUT)
led4 = Pin(17, Pin.OUT)

# Initialize button and potentiometer
# button = Pin(2, Pin.IN)
pot = ADC(Pin(15))
pot.width(ADC.WIDTH_10BIT)
pot.atten(ADC.ATTN_11DB)

def update_leds(pot_value_percentage):
    if pot_value_percentage < 20:
        led1.value(0), led2.value(0), led3.value(0), led4.value(0)
    elif 20 <= pot_value_percentage < 30:
        led1.value(1), led2.value(0), led3.value(0), led4.value(0)
    elif 30 <= pot_value_percentage < 50:
        led1.value(1), led2.value(1), led3.value(0), led4.value(0)
    elif 50 <= pot_value_percentage < 80:
        led1.value(1), led2.value(1), led3.value(1), led4.value(0)
    else:
        led1.value(1), led2.value(1), led3.value(1), led4.value(1)

while True:
    # button_state = button.value()
    # led1.value(button_state)  # Assuming you want to keep using led1 for the button

    pot_value = pot.read()
    pot_value_percentage = (pot_value / 1023) * 100  # Convert to percentage

    update_leds(pot_value_percentage)

    sleep(0.1)