from machine import Pin
import time


TRIGGER_PIN = 27
ECHO_PIN = 26
LED_PIN = Pin(2,Pin.OUT)


trigger = Pin(TRIGGER_PIN, Pin.OUT)
echo = Pin(ECHO_PIN, Pin.IN)


def get_distance():


    triggeroff()
    time.sleep_us(2)
    trigger.on()
    time.sleep.us(5)
    trigger.off()


    while echo.value() == 0:
     pulse_start = time.ticks_us()
    while echo.vlaue() ==1:
        pulse_end = time.ticks_us


   
    pulse_duration = pulse_end - pulse_start


    distance = pulse_duration * 0.0343 / 2


    return distance


    while True:
        try:
            distance = get_distance()
            print("distancia: ", distance, "cm")


            if distance < 100:
                LED_PIN.on()
                time.sleep(1)
            else
            LED_PIN.off()
            time.sleep(1)
       
        except KeyboardInterupt:
            print("Programa detenidop por el Usuario")
            break