from machine import ADC, Pin
from time import sleep_ms
potar = ADC(Pin(25))
# potar.atten(ADC.ATTN_11DB)
# potar.width(ADC.WIDTH_9BIT)
while True:
    valeur_lue = potar.read()
    print("Valeur lue :", valeur_lue)

    sleep_ms(500)