from machine import Pin, time_pulse_us
from  time import sleep_us 

led1 = Pin(21, Pin.OUT)
led2 = Pin(20, Pin.OUT)
led3 = Pin(19, Pin.OUT)
led4 = Pin(18, Pin.OUT)
led5 = Pin(17, Pin.OUT)
led6 = Pin(16, Pin.OUT)

trigger = Pin(28,Pin.OUT )
echo = Pin(27, Pin.IN)

def mideDistancia(): 
    trigger.value(0) #inicializamos el trigger en estado apagado (LOW) 
    sleep_us(2) # 2 microsegundos

    trigger.value(1) #enviamos la señal encendido (HIGH)
    sleep_us(10) # 10 microsegundos
    trigger.value(0) # apagamos la señal 
  
    #calculamos el tiempo
    tiempo = time_pulse_us(echo , Pin.high)
    #calculamos la distancia
    distancia = tiempo * 0.034/2 

    return round(distancia)

while True:
    distaObtenida = mideDistancia()
    print("Distancia: ", distaObtenida," cm")

    if distaObtenida <=5:
        led1.value(1)
        led2.value(0)
        led3.value(0)
        led4.value(0)
        led5.value(0)
        led6.value(0)
    elif distaObtenida > 5 and distaObtenida <=10:
        led2.value(1)
        led1.value(0)
        led3.value(0)
        led4.value(0)
        led5.value(0)
        led6.value(0)
    elif distaObtenida > 10 and distaObtenida <=15:
        led3.value(1)
        led1.value(0)
        led2.value(0)
        led4.value(0)
        led5.value(0)
        led6.value(0)
    elif distaObtenida > 15 and distaObtenida <=20:
        led4.value(1)
        led1.value(0)
        led2.value(0)
        led3.value(0)
        led5.value(0)
        led6.value(0)
    elif distaObtenida > 20 and distaObtenida <=25:
        led5.value(1)
        led1.value(0)
        led2.value(0)
        led3.value(0)
        led4.value(0)
        led6.value(0)
    elif distaObtenida > 25 and distaObtenida <=30:
        led6.value(1)
        led1.value(0)
        led2.value(0)
        led3.value(0)
        led4.value(0)
        led5.value(0) 
    else: 
        led1.value(0)
        led2.value(0)
        led3.value(0)
        led4.value(0)
        led5.value(0)
        led6.value(0)