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

# LEDs PWM
ledv = PWM(Pin(12))  # Vert
ledj = PWM(Pin(9))   # Jaune
ledo = PWM(Pin(5))   # Orange
ledr = PWM(Pin(1))   # Rouge

for led in (ledv, ledj, ledo, ledr):
    led.freq(1000)
    led.duty_u16(0)  # Éteindre au départ

pot = ADC(26)  # Potentiomètre

while True:
    valeur = pot.read_u16()  # 0 - 65535

    # Réinitialiser toutes les LEDs à 0
    for led in (ledv, ledj, ledo, ledr):
        led.duty_u16(0)

    # Plages (divise 65536 en 4 zones égales)
    if valeur < 16384:
        ledv.duty_u16(65535)
    elif valeur < 32768:
        ledv.duty_u16 (65535)
        ledj.duty_u16 (65535)
    elif valeur < 49152:
        ledv.duty_u16 (65535)
        ledj.duty_u16 (65535)
        ledo.duty_u16 (65535)
    else:
        ledv.duty_u16 (65535)
        ledj.duty_u16 (65535)
        ledo.duty_u16 (65535)
        ledr.duty_u16(65535) 

    sleep(0.01)