import time
from machine import Pin
time.sleep(0.1) # Wait for USB to become ready

#PRIMER SEMAFORO
LR = Pin(0, Pin.OUT)
LA = Pin(1, Pin.OUT)
LV = Pin(2, Pin.OUT)

#SEGUNDO SEMAFORO
RR = Pin(17, Pin.OUT)
RA = Pin(16, Pin.OUT)
RV = Pin(19, Pin.OUT)

while True:
    time.sleep(1)  
    LR.value(1)
    RR.value(1)
    time.sleep(1)
    LR.value(0)
    
    time.sleep(1)
    LA.value(1)
    RR.value(1)
    time.sleep(1)
    LA.value(0)
    RR.value(0)

    time.sleep(1)  
    LV.value(1)
    RV.value(1)
    time.sleep(1)
    LV.value(0)
    RV.value(0)

    time.sleep(1)
    RA.value(1)
    LV.value(1)
    time.sleep(1)
    RA.value(0)
    LV.value(0)