from machine import Pin
from time import sleep

print("Halo, ESP32!")

# LED 1 di GPIO 15
led1 = Pin(15, Pin.OUT)

# LED 2 di GPIO 2
led2 = Pin(2, Pin.OUT)

while True:
    # LED 1 ON, LED 2 OFF
    led1.on()
    led2.off()
    sleep(0.5)

    # LED 1 OFF, LED 2 ON
    led1.off()
    led2.on()
    sleep(0.5)