from machine import Pin, time_pulse_us
import time
time.sleep(0.1) # Wait for USB to become ready
Trig= Pin(27, Pin.OUT)
Echo =Pin(26, Pin.OUT)

while True:
    # TRIG EN BAJO
    Trig.value(0)
    time.sleep_us(2)
    
    #ENVIAR PULSO DE 10 MICROSEGUNDOS
    Trig.value(1)
    time.sleep_us(10)
    Trig.value(0)
    
    #MEDIR DURACIÓN DE PULSO
    duracion=time_pulse_us (Echo,1,30000) #Time Out de 90ms
    distancia=(duracion*0.0343)/2
    print("\n Distancia: ", distancia, " cm")
    time.sleep(1)