from machine import Pin, ADC
from time import sleep

potenciometro = ADC(Pin(26))

while True:
    valort=0
    minimo = 65535
    maximo = 0
    amplitud = 0
    for v in range (50):
        lectura = potenciometro.read_u16()
        minimo = min(minimo,lectura)
        maximo = max(maximo, lectura)
    amplitud = abs(maximo-minimo)
    print(amplitud)
    sleep(0.01)