from machine import Pin
from utime import sleep

print("Hello, ESP32!")

ledg1 = Pin(13, Pin.OUT)

ledg2 = Pin(12, Pin.OUT)

ledg3 = Pin(14, Pin.OUT)

while True:
  ledg1.on()
  sleep(0.5)
  ledg1.off()
  sleep(0.5)
 
  ledg2.on()
  sleep(0.5)
  ledg2.off()
  sleep(0.5)
  
  ledg3.on()
  sleep(0.5)
  ledg3.off()
  sleep(0.5)