from machine import Pin
from time import sleep

RED_PIN = 26
led1 = Pin(RED_PIN, Pin.OUT)

YELLOW.PIN = 12
led2 = Pin(YELLOW_PIN, Pin.out)



while True:
    print("YELLOW led2 ON!")
    led2.on()
    sleep(1)
    print("YELLOW led2 OFF!")
    led2.off()
    sleep(1)